One Hundredth Episode Spectacular Disaster!
Season 5
Airdate November 27, 2009
Written by Sponge321

One Hundredth Episode Spectacular Disaster! is an episode of IJLSA Adventures


Bikini Bottom holds a celebration for the IJLSA, but EVIL launches their biggest attack ever with every supervillain that has ever on the team, so the IJLSA must fight back with the help of former IJLSA members and... MERMAID MAN AND BARNACLE BOY!!!



  • SpongeBob SquarePants
  • Patrick Star
  • Squidward Tentacles
  • Sandy Cheeks
  • Eugene Krabs
  • Mrs. Puff
  • Flats
  • Mermaid Man
  • Barnacle Boy

  • Bikini Bottomites


  • Man Ray
  • Dirty Bubble
  • Killer Shrimp
  • Sinister Slug
  • Atomic Flounder
  • Plankton
  • Squidlo
  • Reflecto
  • Dark Ray
  • Kelp Thing
  • Sneaky Hermit
  • Captain Unibrow
  • Dr. Muffin
  • Dirty Sandra
  • Cobalt Anchovy

NOTE: In this episode, all the bad guys except Man Ray, the Dirty Bubble, the Killer Shrimp, the Sinister Slug, the Atomic Flounder, and Plankton are defeated and held prisoner in the Mermalair (But you can still make episodes with the others, just make sure you say that they escaped)