Boom Goes the Pineapple is the eleventh episode. The plot is SpongeBob's house explodes. That's it, really. I'm not kidding.
SpongeBob: I'm ready I'm ready I'm ready I'm rea---
-the screen fills with fire as you hear explosions-
SpongeBob: Aw man.
Squidward: I can rebuild it for you!
SpongeBob: Dang it.