Season 4, Episode 4 : Funny Pants

Squidward warns SpongeBob that he may never laugh again. Squidward receives a huge migraine from SpongeBob's incessant laughter, so Squidward falsely warns SpongeBob that he may never laugh again to allow peaceful silence. SpongeBob thinks that he lost his laugh, and starts crying all the time. Squidward, annoyed, tells him the truth and blows his laugh box out laughing so hard. SpongeBob gives half of his laugh box to Squidward so now he laughs like SpongeBob.


WMV : http://www.ziddu.com/download/5439451/S4E04B-FunnyPantsSB.wmv.html