SpongeBob's Truth or Square (also known as Stuck in the Freezer) is a 2009 made-for-television comedy film and an hour-long episode of the American animated television series SpongeBob SquarePants that was produced as the 123rd and 124th episodes of the series. The special originally aired on Nickelodeon in the United States on November 6, 2009, celebrating the tenth anniversary of the television series. This is the second SpongeBob SquarePants television film, following SpongeBob's Atlantis SquarePantis (2007). Its animation was directed by supervising director Alan Smart, Andrew Overtoom and Tom Yasumi.

In the special, SpongeBob and his friends are accidentally locked inside the Krusty Krab on the day of its "Eleventy-Seventh" anniversary celebration. As they crawl through the ventilation system trying to escape, they look back on shared memories through flashback moments. Meanwhile, Patchy the Pirate is holding a TV Extravaganza, and is waiting for SpongeBob to show up to it, but with no reply, Patchy sets out to Bikini Bottom in a fit of rage.

Truth or Square was written by Luke Brookshier, Nate Cash, Steven Banks, and Paul Tibbitt. Guest stars include Rosario Dawson, Eddie Deezen, Triumph the Insult Comic Dog, LeBron James, Tina Fey, Will Ferrell, Craig Ferguson, Robin Williams, and P!nk, with Ricky Gervais having an uncredited voice cameo as the narrator. Upon release, the special attracted an estimated 7.7 million viewers, but was met with mixed reviews from critics; although some generally spoke positively of the special's main animated segments, most criticized the Patchy the Pirate segments, which were described as unfunny and filler.

SpongeBob wakes up one morning and realizes that the Krusty Krab is celebrating its "Eleventy-Seventh" anniversary. He remembers his first visit to the Krusty Krab and tells his pet snail Gary all about it. SpongeBob then leaves to go to the restaurant, but as soon as he exits his house, he bumps into the back of a long line of customers waiting to get inside. SpongeBob jumps on top of every customer in the line, eventually reaching the Krusty Krab.

Mr. Krabs tells SpongeBob and Squidward that the anniversary celebration will be the perfect opportunity for Plankton to steal the Krabby Patty formula. To prevent Plankton from breaking in, Mr. Krabs has hired Patrick Star as a security guard, so he does not have to pay for a real one. SpongeBob spectacularly decorates the Krusty Krab with ketchup, toilet paper, and mustard. When he shows Patrick, Squidward, and Mr. Krabs a Krabby Patty ice sculpture that he made himself, they accidentally trap themselves inside the freezer during an unsuccessful attempt to take the sculpture outside. Mr. Krabs remembers a way out of the freezer through the ventilation system. While finding their way through the maze of air vents, they look back at some memorable moments in their lives.

To get out of the air vents, SpongeBob molds Squidward, Patrick, and Mr. Krabs into a battering ram and breaks out of the shaft, only to find that all the customers have left after waiting too long without getting any food. Mr. Krabs is heartbroken, but SpongeBob manages to summon all the customers back as he sings a song called "O Krusty Krab". Meanwhile, Plankton finds the perfect opportunity to steal the Krabby Patty secret formula, but fails, having been caught by Mr. Krabs. The "Eleventy-Seventh" anniversary celebration then goes ahead.

Throughout the special, Patchy the Pirate attempts to hold a celebration of the tenth anniversary of when he started the SpongeBob fan club, and attempts to bring in SpongeBob himself. When Patchy is told SpongeBob is not coming, he vows to get him by any means necessary. He travels to Bikini Bottom, but ends up getting eaten by a whale. Inside the whale, he watches some old tapes of the show (including a theme song for Squidward, Patrick, and Mr. Krabs) before the whale sneezes him out, sending him flying back to the studio, where he dreams of meeting SpongeBob. He wakes up and decides he will never meet his hero, but his guests assure him otherwise, causing him to faint again.

Production began and ended in 2009.