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Season: 1 | 2 | 3 | 4
Year: 1993 | 1994 | 1995 | 1996

Season 1

Season 1, Episode 1: No Pain, No Gain/Who Gives a Buck?

18 October 1993

Carlos Alazraqui ... Rocko / Spunky / Leon Chameleon / Phone Voice / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Chuck Chameleon / Buff Guy / Clerk / Additional Voices (voice)
Charles Adler ... Bev Bighead / Banjo Boy / Kid / Additional Voices (voice) (as Charlie Adler)
Linda Wallem ... TV Instructor / Mall Map / Old Lady / Additional Voices (voice)
Richard Simmons ... Aerobics Instructor (voice)

Season 1, Episode 2: Leap Frogs/Bedfellows

19 September 1993
In "Leap Frogs," Mrs. Bighead tries to seduce Rocko. In "Bedfellows," Heffer is kicked out of his parents' house, forcing him to live with Rocko.
Carlos Alazraqui ... Rocko / Spunky / Nudist #1 / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Additional Voices (voice)
Charles Adler ... Ed Bighead / Bev Bighead / George Wolfe / Couch / Additional Voices (voice)
Mr. Lawrence ... TV Male Voice / Additional Voices (voice)
Linda Wallem ... TV Female Voice / Virginia Wolfe / Additional Voices (voice)

Season 1, Episode 3: Jet Scream/Dirty Dog

26 September 1993

Carlos Alazraqui ... Rocko / Spunky / Squirmy the Ringworm / Ricky / Little Kid / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Bloaty the Tick / Pilot / Crewman / Additional Voices (voice)
Charles Adler ... Mr. Icck / Lucy / Additional Voices (voice) (as Charlie Adler)
Linda Wallem ... Flight Attendant (voice)
Sarah Frost ... Singer (voice)
Stuart Goetz ... Singer (voice)
Alisa Wilson ... Singer (voice)

Season 1, Episode 4: Keeping Up with the Bigheads/Skid Marks

3 October 1993
Rocko and Heffer try to makeover Rocko's house after Ed tries to tip his nephew, a city home inspector in a scheme to get rid of Rocko; After Rocko is pulled over because his gas cap is missing, he has to go back to driving school.
Carlos Alazraqui ... Rocko / Spunky / Leon Chameleon / Beaver Policeman / Clark / Pig Driving Instructor (voice)
Tom Kenny ... Heffer Wolfe / Fran the Newscaster / Chuck Chameleon / Clown / Scientist / Squirrel (voice)
Charles Adler ... Ed Bighead / Bev Bighead / Bug / Doctor / Cat Teacher / Wild Pig / Father (voice) (as Charlie Adler)
Mr. Lawrence ... Filburt Turtle / O-Town Inspector / Elephant Driving Instructor / Mutant Deer (voice)
Linda Wallem ... Sweet Old Lady / Little Boy (voice)

Season 1, Episode 5: Power Trip/To Heck and Back

10 October 1993

Carlos Alazraqui ... Rocko / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Really Really Big Man / Mr. Smitty / Peaches / Additional Voices (voice)
Charles Adler ... Grandpa Wolfe / Additional Voices (voice) (as Charlie Adler)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)
Linda Wallem ... Karen / Chokey Chicken Clerk / Additional Voices (voice)

Season 1, Episode 6: The Good, the Bad and the Wallaby/Trash-o-Madness

17 October 1993

Carlos Alazraqui ... Rocko (voice)
Tom Kenny ... Heffer Wolfe (voice)
Mr. Lawrence ... Slim (voice)
Linda Wallem ... Suspicious Cow (voice)

Season 1, Episode 7: Spitballs/Popcorn Pandemonium

24 October 1993

Carlos Alazraqui ... Rocko (voice)
Tom Kenny ... Heffer Wolfe (voice)
Charles Adler ... Ed Bighead (voice)
Mr. Lawrence ... Filburt Turtle (voice)
Dom Irrera ... Slippy (voice)
Linda Wallem ... Little Angel (voice)

Season 1, Episode 8: A Sucker for the Suck-O-Matic/Canned

31 October 1993

Carlos Alazraqui ... Rocko / Spunky / Commercial Announcer / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Elf Fan / Nuclear Swan Fan / Additional Voices (voice)
Charles Adler ... Ed Bighead / Bev Bighead / Mr. Dupette / Additional Voices (voice) (as Charlie Adler)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)
Charlotte Booker ... Lobot-O-Shop Announcer (voice)

Season 1, Episode 9: Carnival Knowledge/Sand in Your Navel

7 November 1993

Carlos Alazraqui ... Rocko / Spunky / One-Eyed Pelican / Crab / George's Wife / George / Little Kid / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Frog / Smiley-Faced Guy / Hospital Beavers / Additional Voices (voice)
Charles Adler ... Lady Hippo / Walrus / Additional Voices (voice) (as Charlie Adler)
Dom Irrera ... Slippy (voice)

Season 1, Episode 10: Cabin Fever/Rinse and Spit

14 November 1993

Carlos Alazraqui ... Rocko (voice)
Tom Kenny ... Heffer Wolfe (voice)
Charles Adler ... Ed Bighead / Bev Bighead (voice)
Mr. Lawrence ... Filburt Shellbach (voice)
Linda Wallem ... Dr. Paula Hutchison (voice)

Season 1, Episode 11: Rocko's Happy Sack/Flu-In-U-Enza

21 November 1993

Carlos Alazraqui ... Rocko / Spunky / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Dr. Bendova / Additional Voices (voice)
Charles Adler ... Lady Hippo / Pig Butcher / Additional Voices (voice) (as Charlie Adler)
Mr. Lawrence ... Filburt Turtle / Customer / Additional Voices (voice)
Linda Wallem ... Heap-O-Food Announcer / Nurse / Additional Voices (voice)

Season 1, Episode 12: Who's for Dinner?/Love Spanked

28 November 1993

Carlos Alazraqui ... Rocko / Spunky / Farmer / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Love Seat Host / Bartender / Joyce / Additional Voices (voice)
Charles Adler ... George Wolfe / Grandpa WolfeFather Rabbit / Additional Voices (voice) (as Charlie Adler)
Mr. Lawrence ... Peter Wolfe / Heffer's 'Father' / Additional Voices (voice)
Linda Wallem ... Virginia Wolfe / Cindy Wolfe / Female Rabbit (voice)

Season 1, Episode 13: Clean Lovin'/Unbalanced Load

5 December 1993

Carlos Alazraqui ... Rocko / Spunky / Additional Voices (voice)
Tom Kenny ... Dr. Katz / Additional Voices (voice)
Charles Adler ... Lady Hippo / Additional Voices (voice) (as Charlie Adler)

Season 2

Season 2, Episode 1: I Have No Son!

25 September 1994

Carlos Alazraqui ... Rocko (voice)
Tom Kenny ... Tour Guide / Heffer Wolfe (voice)
Charles Adler ... Ed Bighead / Bev Bighead (voice)
Mr. Lawrence ... Filburt Shellbach (voice)
Joe Murray ... Ralph Bighead (voice)

Season 2, Episode 2: Pipe Dreams/Tickled Pinky

2 October 1994

Carlos Alazraqui ... Rocko (voice)
Tom Kenny ... Heffer Wolfe (voice)
Charles Adler ... Ed Bighead (voice)
Linda Wallem ... Dr. Paula Hutchison (voice)

Season 2, Episode 3: The Lounge Singer/She's the Toad

9 October 1994

Charles Adler ... Ed Bighead / Bev Bighead / Mr. Dupette (voice)
Carlos Alazraqui ... Rocko (voice)
Les Brown Jr. ... Buddy Gecko (voice)
Tom Kenny ... Heffer Wolfe / Filburt's Singing Voice (voice)
Mr. Lawrence ... Filburt Turtle (voice)
Alisa Wilson ... Louise / Flowers (voice)

Season 2, Episode 4: Down the Hatch/Road Rash

23 October 1994

Charles Adler ... Mr. Fathead / Mrs. Fathead / Sam Bates / Additional Voices (voice) (as Charlie Adler)
Carlos Alazraqui ... Rocko / Spunky / Squirmy the Ringworm / Farmer / Cashier / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Bloaty the Tick / Veterinarian / No Tell Motel Receptionist / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Biker / Newscaster / Additional Voices (voice)

Season 2, Episode 5: Boob Tubed/Commuted Sentence

6 November 1994

Charles Adler ... Tough Truck (voice)
Carlos Alazraqui ... Rocko / Spunky / Beaver Policeman / Purchasing Machine / Telenovela Actor / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Mr. Smitty / Fran the Newscaster / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)
Linda Wallem ... Rita / Rocko's Car / Telenovela Actress (voice)

Season 2, Episode 6: Rocko's Modern Christmas

1 December 1994

Carlos Alazraqui ... Rocko / Spunky / Gordon / Mitch (voice)
Tom Kenny ... Heffer Wolfe / Dad Elf / Alligator Sales Clerks / Additional Voices (voice)
Charles Adler ... Ed Bighead / Bev Bighead / George Wolfe / Grandpa Wolfe (voice) (as Charlie Adler)
Linda Wallem ... Dr. Hutchinson / Virginia Wolfe / Cindy Wolfe / Little Kid (voice)
Mr. Lawrence ... Filburt Turtle / Fruitcake Man (voice)

Season 2, Episode 7: Hut Sut Raw/Kiss Me, I'm Foreign

4 December 1994

Charles Adler ... Ed Bighead / Bev Bighead / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Immigration Councilman / Rabbit (voice)
Tom Kenny ... Heffer Wolfe / Additional Voices (voice)
Quinn Kitmitto ... Judge (voice) (as Quinn Kitmitto Ljoka)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)
Linda Wallem ... Dr. Hutchison (voice)

Season 2, Episode 8: Cruisin'

1 January 1995

Carlos Alazraqui ... Rocko / Captain (voice)
Tom Kenny ... Heffer Wolfe (voice)
Charles Adler ... Grandpa Wolfe (voice) (as Charlie Adler)
Linda Wallem ... Winnifred Wolfe (voice)

Season 2, Episode 9: Born to Spawn/Uniform Behavior

22 January 1995

Charles Adler ... Ed Bighead / George Wolfe / RoboFrog / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Disappearing Twins / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Fran the Newscaster / Turtle / Udder #1 / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Lloyd / Additional Voices (voice)

Season 2, Episode 10: Hair Licked/Gutter Balls

29 January 1995

Charles Adler ... Ed Bighead / Bev Bighead / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Gene Simmons / Bowler / Dale / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Mr. Smitty / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Ferb / Chip / Additional Voices (voice)
Linda Wallem ... Virginia Wolfe / Tammy the Pig (voice)

Season 2, Episode 11: Junk Junkies/Day of the Flecko

12 February 1995

Carlos Alazraqui ... Rocko / Spunky / Pizza Face Pizza Guy / Mr. Onion Head / Bug Prisoner #1 / Bug Prisoner #2 (voice)
Tom Kenny ... Heffer Wolfe / Wallace / Flecko / Antique Dealer / GI Jimbo Customer (voice)
Charles Adler ... Ed Bighead / Bev Bighead / Bug Prisoner #3 (voice) (as Charlie Adler)

Season 2, Episode 12: Snowballs/Frog's Best Friend

26 February 1995

Charles Adler ... Ed Bighead / Bev Bighead / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Earl Dog / Father / Alien / Dog Catcher (voice)
Tom Kenny ... Heffer Wolfe / Mr. Smitty / Ski Rental Guy / Television Announcer / Fly Delivery Man / Crod / Additional Voices (voice)
Quinn Kitmitto ... Laverne / Nurse / Dog (voice) (as Quinn Kitmitto Ljoka)

Season 2, Episode 13: Short Story/Eyes Capades

12 March 1995

Carlos Alazraqui ... Rocko / Spunky / Leon Chameleon / Dwarf / Dr. Iris MacFropter / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Really Really Big Man / Mr. Smitty / Tyrone / Chuck Chameleon / Alligator / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Big Biff Benderhaus / Additional Voices (voice)

Season 3

Season 3, Episode 1: Bye, Bye Birdie/Belch of Destiny

22 October 1995

Carlos Alazraqui ... Rocko / Spunky / Gordon (voice)
Tom Kenny ... Heffer Wolfe / The Monkey Guy (voice)
Charles Adler ... Bev Bighead / George Wolfe (voice)
Mr. Lawrence ... Filburt Turtle (voice)
Linda Wallem ... Dr. Hutchison / Virginia Wolfe / Scoutmaster (voice)
David Pritchard ... Heffer's Belching Voice (voice) (uncredited)

Season 3, Episode 2: The Emperor's New Joe/Schnit-Heads

29 October 1995

Charles Adler ... Ed Bighead / Bev Bighead / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Leon Chameleon / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Chuck Chameleon / Really Really Big Man / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Additional Voices

Season 3, Episode 3: Sugar-Frosted Frights/Ed Is Dead: A Thriller!

31 October 1995

Charles Adler ... Ed Bighead / Bev Bighead / Additional Voices (voice) (as Charlie Adler)
Carlos Alazraqui ... Rocko / Spunky / Gordon / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Fran the Newscaster / Really Really Big Man / Narrator / The Hopping Hessian / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)
Linda Wallem ... Dr. Hutchison / Mothers at Door / Crazy Aunt Gretchen / Additional Voices (voice)

Season 3, Episode 4: Fish-N-Chumps/Camera Shy

12 November 1995

Charles Adler ... Ed Bighead / Bev Bighead / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Leon Chameleon / Squid / Fish #1 / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Chuck Chameleon / Edgar / Two-Patch Crappy Jack / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)

Season 3, Episode 5: Nothing to Sneeze At/Old Fogey Froggy

19 November 1995

Charles Adler ... Ed Bighead / Bev Bighead / Mr. Dupette / Additional Voices (voice) (as Charlie Adler)
Carlos Alazraqui ... Rocko / Spunky / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Father / Pig / Additional Voices (voice)
Linda Wallem ... Dr. Hutchison / Little Kid / Additional Voices (voice)

Season 3, Episode 6: Manic Mechanic/Rocko's Happy Vermin

3 December 1995

Carlos Alazraqui ... Rocko / Spunky / Bugs / Exterminator (voice)
Tom Kenny ... Heffer Wolfe / Flecko / Bugs (voice)
Charles Adler ... Ed Bighead / Bev Bighead / Bugs (voice) (as Charlie Adler)
Mr. Lawrence ... Filburt Turtle / The Grim Tow Truck (voice)
Linda Wallem ... Rocko's Car (voice) (uncredited)

Season 3, Episode 7: I See London, I See France/The Fatlands

10 December 1995

Charles Adler ... Skunk / Bosko Blood / Bartender / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Squirmy the Ringworm / Blood Brother #2 / Additional Voices (voice)
Sarah Frost ... Singer (voice) (archive sound)
Stuart Goetz ... Singer (voice) (archive sound)
Tom Kenny ... Heffer Wolfe / Driver / Bloaty the Tick / Blood Brother #1 / Sheriff / Additional Voices (voice)
Linda Wallem ... Dr. Hutchison / Claudette (voice)
Alisa Wilson ... Singer (voice) (archive sound)

Season 3, Episode 8: Fortune Cookie/Dear John

17 December 1995

Charles Adler ... Bev Bighead / Ferb the State Contractor / Nutsy McNutley / Jaime / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Bob 'Bucky' Taylor / Johnny / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Chuck Roast / Really Really Big Man / Pigeon / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Secret Service Man / Additional Voices (voice)

Season 3, Episode 9: Speaking Terms/Tooth and Nail

31 December 1995

Charles Adler ... Dealer / Step 3 / Step 5 / Step 6 / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Leon Chameleon / Scratch 'n' Sniff Waitress / Siamese Twin Warthogs / Step 1 / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Chuck Chameleon / Dice-Footed Step / Step 2 / Narrator / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Step 4 / Additional Voices (voice)
Jill Talley ... Nosey (voice)
Linda Wallem ... Virginia Wolfe / Additional Voices (voice)

Season 3, Episode 10: Wacky Delly

21 January 1996
In order to get out of a contract with his network, cartoonist Ralph Bighead hires fans Rocko, Heffer, and Filburt to create a sure-fire failure of a series that, much to his dismay, becomes a success.
Carlos Alazraqui ... Rocko / Newspaper Announcer / Betty Baloney / Will / Rhino Fan / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Sal Ami / Fran the Newscaster / Additional Voices (voice)
Charles Adler ... Ed Bighead / Bev Bighead / Mr. Fathead / Mrs. Fathead / Elephant Fan / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Mr. Cheese / Farmer / Frank / Weasel Fan / Additional Voices (voice)
Joe Murray ... Ralph Bighead (voice)
Carol Wyatt ... (uncredited)

Season 3, Episode 11: The Big Question/The Big Answer

28 January 1996

Carlos Alazraqui ... Rocko / Spunky / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Tiger / Frank Hutchison / Singer / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)

Kevin Meaney ... Widow Hutchison (voice)
Linda Wallem ... Dr. Hutchison / Crazy Aunt Gretchen / Additional Voices (voice)

Season 3, Episode 12: An Elk for Heffer/Scrubbin' Down Under

11 February 1996

Charles Adler ... George Wolfe / Grandpa Wolfe / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Genie / Elk Bouncer / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Mr. Smitty / Fran the Newscaster / Announcer / Educational Film Narrator / Singer / Additional Voices (voice)
Mr. Lawrence ... Peter Wolfe / Heffer's Heart / Additional Voices (voice)
Linda Wallem ... Virginia Wolfe / Elkie (voice)

Season 3, Episode 13: Zanzibar!/Fatal Contraption

21 April 1996

Charles Adler ... Ed Bighead / Mr. Dupette / Additional Voices (voice)
Carlos Alazraqui ... Rocky / Spunky / Additional Voices (voice)
James Bailey ... Singer (voice)
Jennifer L. Hughes ... Singer (voice) (as Jennifer Hughes)
Tom Kenny ... Heffer Wolfe / Slippy / Captain Compost Heap / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Peter Wolfe / Additional Voices (voice)
Linda Wallem ... Virginia Wolfe / Dr. Hutchison / Tammy the Pig / Additional Voices (voice)
Alisa Wilson ... Singer (voice)

Season 4

Season 4, Episode 1: With Friends Like These/Sailing the Seven Zzzz's

8 July 1996

Carlos Alazraqui ... Rocko (voice)
Tom Kenny ... Heffer Wolfe (voice)
Charles Adler ... Ed Bighead / Bev Bighead (voice)
Mr. Lawrence ... Filburt (voice)

Season 4, Episode 2: Pranksters/From Here to Maternity

9 July 1996

Carlos Alazraqui ... Rocko / Spunky / Rabbit / Leon Chameleon / Granny Rocko (voice)
Tom Kenny ... Heffer Wolfe / Chuck Chameleon / Mr. Smitty / Dad Elf / Goat (voice)
Charles Adler ... Ed Bighead / Wild Pig (voice) (as Charlie Adler)
Mr. Lawrence ... Filburt Turtle (voice)
Linda Wallem ... Dr. Hutchison (voice)

Season 4, Episode 3: Ed Good, Rocko Bad/Teed Off

10 July 1996

Carlos Alazraqui ... Rocko / Spunky / Mr. Leslie / Shaggy Dog / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Bulldog / Additional Voices (voice)
Charles Adler ... Ed Bighead / Bev Bighead / Mr. Dupette / Mr. Noeaway / Additional Voices (voice)
Jennifer Lynn Hughes ... Singer (voice)
Tom Kenny ... Heffer / Announcer #1 / Fran the Newscaster / Black-Masked Conglomo Golf Course Worker / Additional Voices (voice)
Alisa Wilson ... Singer (voice)

Season 4, Episode 4: Wimp on the Barbie/Yarnbenders

11 July 1996

Charles Adler ... Ed Bighead / Bev Bighead / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Dingo / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)

Season 4, Episode 5: Mama's Boy/Feisty Geist

12 July 1996

Charles Adler ... George Wolfe / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Roach / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Madame Doreno / Mortimer Kahn / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Peter Wolfe / Health Inspector / Additional Voices (voice)
Linda Wallem ... Virginia Wolfe / Cindy Wolfe / Additional Voices (voice)

Season 4, Episode 6: S.W.A.K./Magic Meatball

15 July 1996

Charles Adler ... Ed Bighead / Mr. Noeaway / Mr. Dupette / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Meatball / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Wallace / Additional Voices (voice)
Linda Wallem ... Alicia (voice)

Season 4, Episode 7: Closet Clown/Seat to Stardom

16 July 1996

Charles Adler ... Ed Bighead / Bev Bighead / Mr. Dupette / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Spunky / Leon Chameleon / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Really Really Big Man / Chuck Chameleon / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Duck / Additional Voices (voice)
Linda Wallem ... Dr. Hutchison / Leena / Mother / Additional Voices (voice)

Season 4, Episode 8: The High-Five of Doom/Fly Burgers

17 July 1996

Carlos Alazraqui ... Rocko / Spunky / Judge / Gordon / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Flecko / Attorney / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)

Season 4, Episode 9: Heff in a Handbasket/Wallaby on Wheels

18 July 1996

Charles Adler ... Grandma Wolfe / Additional Voices (voice)
Carlos Alazraqui ... Rocko / Announcer / Additional Voices (voice)
Tom Kenny ... Heffer Wolfe / Peaches / The Dark Underlord / Additional Voices (voice)
Mr. Lawrence ... Filburt Turtle / Additional Voices (voice)
Alisa Wilson ... Sheila (voice)

Season 4, Episode 10: Dumbells/Rug Birds

19 July 1996

Carlos Alazraqui ... Rocko / Eagle / Leon (voice)
Tom Kenny ... Heffer Wolfe / Chuck / Newscaster (voice)
Charles Adler ... Ed Bighead / Gladys the Hippo Lady (voice) (as Charlie Adler)
Mr. Lawrence ... Filburt (voice)

Season 4, Episode 11: Hypno-Puppy Luv/Driving Mrs. Wolfe

8 October 1996

Carlos Alazraqui ... Rocko (voice)
Tom Kenny ... Heffer Wolfe (voice)
Charles Adler ... Ed Bighead / Bev Bighead (voice)
Mr. Lawrence ... Filburt Shellbach (voice)
Linda Wallem ... Virginia Wolfe (voice)

Season 4, Episode 12: Put to Pasture/Future Schlock

10 October 1996

Carlos Alazraqui ... Rocko / Spunky (voice)
Tom Kenny ... Heffer Wolfe / Newscaster (voice)
Charles Adler ... Ed Bighead / Bev Bighead (voice) (as Charlie Adler)
Mr. Lawrence ... Filburt / Gilbert (voice)
Linda Wallem ... Missy (voice)

Season 4, Episode 13: Turkey Time/Floundering Fathers

24 November 1996

Carlos Alazraqui ... Rocko (voice)
Tom Kenny ... Heffer Wolfe (voice)
Charles Adler ... Ed Bighead / Bev Bighead (voice)
Mr. Lawrence ... Filburt (voice)
Linda Wallem ... Dr. Hutchison (voice)

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