Karen Plankton/appearances

Character

Gallery

Appearances

Print in bold means character played a Major role

Total Appearances- 43

Episodes

Season 1

1. Plankton! (debut)
2. F.U.N.

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. Dunces & Dragons
4. Enemy In-Law
5. 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

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

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

Movies

1. The Spongebob Squarepants Movie