Return of Keef is an unfinished episode of Invader Zim.
SPOILER WARNING OF DOOM: This section or article may contain spoilers!
One day at Skool, Zim dumps a blue liquid onto Dib that makes someone explode if they're happy. However, Dib is quick to point out the obvious hole in Zim's logic: He is never happy, especially while Zim is around. When Zim leaves Dib, Keef approaches Dib, and expresses a desire to get Dib and Zim to "make up" (assuming the two enemies are best friends). Dib refutes this assumption, but then, this gives him an idea, and claims he is friends with Zim. Dib tells Keef to put a Brain Rotter machine on Zim's head, but Keef hilariously attaches the machine on Zim's backside instead. Discovering the device, Zim quickly attaches the machine on Dib's head, but he somehow removes it offscreen. Later that day, Dib finds Keef sitting on the couch and watching TV with Gaz and Professor Membrane at their house. He promptly kicks him out, but quickly returns, decorating Dib's room with (ridiculously) happy stuff such as smiley faces and Valentine hearts, much to Dib's anger. Keef spends the next few days alternately irritating Zim and Dib with his misguided attempts to make the two "friends" reconcile.
The following day after these events occur, Zim and Dib hatch a plan to get rid of their mutual nuisance, and the two agree to meet Keef at a MacMeaties in the city, pour Zim's emotional explosion solution on Keef, and make him explode with happiness by pretending to be his friends. Oddly enough, this proves unusually difficult to achieve, for it appears the solution only works if the subject it has been applied to is extremely happy. Finally, Zim and Dib are forced to hug each other in order to make Keef explode (but reform seconds later, before fainting from the whole ordeal). Afterwards, while walking home Dib reveals that he taped Zim saying that he's an alien, but Zim reminds Dib that the video also shows them hugging, so Dib destroys it.
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Facts of Doom
- This is the second time Keef is a main antagonist of an episode, the first time being Bestest Friend.
- When Keef gets so happy he explodes, the writers wanted him to die completely, but Nickelodeon wouldn't let them, so he reappears seconds later before fainting.
- This is the second time they wanted Keef to die off but Nickelodeon wouldn't allow it, the first time being Bestest Friend when he fell off the building.
- In this episode, Keef would have found out that Zim is an alien.