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Funny Pants is a SpongeBob SquarePants episode from season four. In this episode, SpongeBob thinks he lost his laughter.

Funny Pants.png

Time Cards Shown

  • Later that same evening

Watch here



One morning in Bikini Bottom, Spongebob tellsSqudward it's time for work, and says "another day another dollar" but Squidward says more like another nickel, which makes Spongebob laugh uncontrolably. Squidward then goes through a whole day at work with Spongebob laughing, and even at night. The next day at work, after Spongebob told the "nickel joke" to the customers, Squidward has decited he has had enough ofSpongeBob's incessant laughter. He then sees Spongebob hurting himself when he laughs, so he tricks him into believing that SpongeBob has a laugh-related illness. According to the made-up disease, if SpongeBob laughs one more time in the next 24 hours, his laugh box will explode and he will never laugh or giggle again. For the rest of the day, SpongeBob fights every single urge to chuckle. First, he sees Patrick trip over a banana peel several times, and runs away. Next, he sees that whoopee cushions are all over the town. Last, he sees a pie truck in an accident and some of the pie land on some fish. In a drastic measure, he buries himself to never be interrupted by a joke during the night. The next morning, SpongeBob discovers that he has completely lost the ability to laugh. He tells Patrick that he has lost his laugh, but when Patrick looks inside SpongeBob and lights a match, he runs around in circles. Later, SpongeBob goes to the Krusty Krab to tell Mr. Krabs that he has lost his laugh. Mr. Krabs says that money always makes him laugh, but SpongeBob doesn't feel a tickle. SpongeBob consults Sandy, who is a scientist. Sandy gives SpongeBob books about laughter. SpongeBob reads the books, but still doesn't have any effect on his laugh box. Now utterly grief stricken, all SpongeBob can do is cry his eyes out, meaning more noise than ever. Feeling guilty but still wanting peace and quiet, Squidward finally confesses to the sad SpongeBob, as the weeping has been more annoying than SpongeBob's giggles and after Squidward admits everything, SpongeBob laughs to see it has been a good joke and Squidward joins in the laughter. When Squidward says "You even fell for the thermometer in the boiling oil routine!" SpongeBob immediately stops laughing, and goes inside his house. When Squidward laughs too much, he is taken to the hospital. Later, it is revealed that Squidward has lost his laugh and the doctor points out that someone has given him half of their laugh box. It isn't Patrick, Sandy or Mr. Krabs; it was SpongeBob. Squidward starts to laugh like SpongeBob and runs out of the building. SpongeBob then says "Ah, there he goes off to share his laugh with the world", followed by his laughter.


  • This episode was originally going to be called "Unfunny Pants", but when it aired on Nick, it was changed to "Laughbox", and then was later changed to "Funny Pants".
  • The plot of this episode is very similar to the episode Fools In April : in both episodes, Squidward plays a prank on Spongebob in order to get some peace and quiet, Spongebob becomes greatly sadened and depressed because of Squidward's prank, and towards the end, Squidward appologises and then runs off laughing manicaly.
  • When Squidward bursts through the hospital wall near the end of the episode, the heart monitor is still running.
  • When Sandy is explaining the science of laughter she pulls down a diagram of a fish. However, the diagram shows the fish with lungs even though fish have gills.
  • The fez hat Squidward is wearing when he says SpongeBob became a sad sack is also seen in Good Neighbors.
  • Everytime SpongeBob laughs you'll hear very high-pitched squeaking sound.
  • When Patrick was about to go inside SpongeBob, his pants were a darker shade of green for a second.
  • The laughing machine SpongeBob is attached to is similar in appearance to an "iron lung" breathing aid.
  • This is the second time Squidward's house has grown hands. The first is Good Neighbors. The third will be in A Friendly Game.
  • When Patrick was about to light a match, his shorts turned dark green and then changed back to light green with a length about 2–3 seconds.
  • Goof: When Squidward enter's the kitchen the window is missing 


Associated production music

The following is a list of music tracks used in the episode.

  • Happy Sponge Chase Vibes - Title Card
  • The Tip Top Polka/Cliff Polka - SpongeBob laughs all over the Krusty Krab.
  • Unknown Chase - Squidward is annoyed.
  • King Conga - SpongeBob laughs and feels pain.
  • Comic Walk - "This could be my chance."
  • Like Strange - "Listen, SpongeBob this is serious!"
  • Dancing the Hula - SpongeBob fantasizes Sandy telling Patrick a joke and him in an "iron laughbox".
  • Funeral March (b) - SpongeBob electronically laughs through his "iron laughbox".
  • Drama Link G- SpongeBob notices he lost his laughbox.
  • Drama Link D- SpongeBob runs to Patrick's house.
  • Hawaiian Cocktail - SpongeBob tells Mr. Krabs that he lost his laugh.
  • Pua Paoakalani (b)- Spongebob goes home and moans.
  • Kamakani - SpongeBob Cries.