G.U.N. or Nothin' is a crossover cartoon of SpongeBob SquarePants.
While playing in the park, SpongeBob and Patrick are abducted by a U.F.O. like aircarft, which turns out to be a G.U.N. airship. An agent explains that they are currently trying to capture an escaped project, and they quickly agree to help. G.U.N. teams them up with they're grade A agent, Rouge. However, while trying to catch the project, SpongeBob and Patrick usually get in the way, causing Rouge to wing up like Wile E. Coyote.
- SpongeBob SquarePants
- Patrick Star
- Rouge the Bat
- Shadow the Hedgehog
- G.U.N. Agents
- Mrs. Puff (non-speaking role; cameo)
- Mr. Krabs (cameo)
- Abraham Tower (only mentioned)