Karen Plankton/appearances

Character

Gallery

Appearances

Print in bold means character played a Major role

Total Appearances- 43

Italics mean Karen used mobility. Continue adding italics.

Episodes

Season 1

#	Episode	Role in episode
3b	"Plankton!" (tr • ga)	Debut, Minor
10b	"F.U.N." (tr • ga)	Supporting

Season 2

1. Imitation Krabs (voice only)
2. Welcome to the Chum Bucket

Season 3

1. The Algae's Always Greener
2. Plankton's Army

Season 4

1. Fear of a Krabby Patty (2 cameos)
2. Krabs vs. Plankton
3. Enemy In-Law
4. Best Frenemies

Season 5

1. Friend or Foe
2. Krabs a la Mode
3. Bucket Sweet Bucket
4. Goo Goo Gas
5. Mermaid Man vs. SpongeBob
6. Banned in Bikini Bottom
7. Spy Buddies Only Heard

Season 6

1. Krabby Road
2. Spongicus
3. Patty Caper
4. Plankton's Regular
5. The Krabby Kronicle (non-speaking cameo)
6. Komputer Overload
7. Single Cell Anniversary
8. Truth or Square
9. Chum Caverns
10. Chum Bucket Supreme

Season 7

1. Tentacle Vision (non-speaking cameo)
2. Someone's in the Kitchen with Sandy
3. The Inside Job
4. Greasy Buffoons
5. SpongeBob's Last Stand
6. One Coarse Meal
7. Buried in Time
8. Shellback Shenanigans
9. Perfect Chemistry

Season 8

1. Frozen Face-Off
2. Sweet and Sour Squid
3. Plankton's Good Eye
4. Walking the Plankton
5. Free Samples
6. For Here or to Go
7. Karen 2.0
8. Move It or Lose It
9. Chum Fricassee
10. It's a SpongeBob Christmas!   

Season 9

1. Plankton's Pet
2. Evil Spatula
3. Jailbreak!

Movies

1. The SpongeBob SquarePants Movie (debut of mobility)