SpongeBob SquarePants (partially lost deleted scenes of Nickelodeon animated series; 1999-present)

Spongebob Squarepants is an American animated television series that premiered on May 1st, 1999 on Nickelodeon. The series depicts the chronicles of its title character, a child-like sponge living in the fictional city of "Bikini Bottom".

The series was a massive success and continues to air new episodes to this day, and has generated over 8 billion dollars in revenue for Nickelodeon.

Though, as with every series, there have been tons of removed content and deleted scenes, along with some unconfirmed scenes.

Reef Blower

Probably one of the more famous examples on this list, the episode "Reef Blower", which is a completely silent episode of the series (meaning it has no dialogue) was originally supposed to contain dialogue, but the audio recording equipment was damaged and the writers decided to re-write the episode into its current form to get around this setback.

It is unknown if any of the dialogue was recorded for this episode before the audio equipment was damaged.

Plankton!

According to the Season 1 DVD commentary, there was originally a scene in this episode that depicted Squidward naked, but was cut for obvious reasons.

Nature Pants

There was once a scene showing Spongebob being nearly naked, but was deleted due to nudity.

Karate Choppers

According to the season 1 DVD commentary, this episode originally had a scene that showed Sandy karate copping a fish in the groin. This scene was cut for being deemed inappropriate.

It is also noteworthy that this episode, along with the episode "SP-129" were removed from rotation sometime in the early 2000's for unknown reasons, though they have since returned.

Suds

This episode features a somewhat notorious shot of Spongebob being tied to what appears to be a torture bed while Patrick is wearing a black hood, and the room is lit red. This scene was cut from airing in several countries, including Indonesia, though it is kept in the United States airings.

Valentine's Day

There are rumors that the original broadcast of this episode contained a scene of Spongebob and Sandy kissing, while others reports claim the scene was cut before ever airing. Neither claims have ever been substantiated.

Arrgh!

Right after Spongebob says "Hey! Mr. Krabs is getting all sweaty again!" there was a deleted which shows a vision of Mr. krabs sitting atop as well as sniffing a pile of treasure.

Fools in April

Originally there was a scene in this episode that showed Squidward talking to Sandy before Spongebob does. It was removed for unknown reasons.

I Was a Teenage Gary

This episode was notorious for scaring children because of the scene that shows Spongebob's (seemingly painful) transformation into a snail. Interestingly, there have been rumors for years that in the original airing there was an extra scene that depicted Squidward's transformation as well, but was cut in re-run's for being too scary to children.

A commonly referred to piece of evidence for this scene is that there is an odd transition placed when Squidward gets stuck with the needle, that immediately cuts to him being a snail. Some say that this is a remnant of the edit, though others disregard this as just poor transition placement.

Some say that the episode still airs in its original version in Poland, though no footage of the Polish version currently exists online, so these claims can't be confirmed.

No consensus has ever been reached regarding this scene, being that VHS copy of the original airing has ever surfaced there is no definitive proof for either side of the argument, and the scene remains unconfirmed to this day.

Hooky

supposedly the original airing of this episode ended with a dead fish whose shoes are being strung up. In future reruns the scene was removed and replaced with a scene where only the dead fish's shoes are seen.

Like the transformation scene from "I Was a Teenage Gary", this scene remains unconfirmed.