"Funny Aneurysm" Moment: A lot of the jokes related to Not-David Bowie, notably when he shouts "Nothing can kill David Bowie!" in episode 4, have become this following the death of the real-life David Bowie. Then again, even he's not sure if he's really David Bowie or if he just resembles David Bowie.
Hilarious in Hindsight: In the movie, Japanese George Lucas said he's about to make Star Wars episode 7. Guess what Disney announced after they bought Lucasfilms (although Lucas didn't direct this time).
One of the episodes features the throwaway line "Renee Zellweger wants her face back!" A few years later, Zellweger would have a fairly prominent facelift done, so it comes off more prophetic than anything.
Naruto: (about Haku) Oh my God this chick is fucking HOT!
Haku: [Actually I'm a guy.]
Naruto: Oh my God this guy is fucking HOT!
Naruto has also explicitly said to be attracted to Sasuke (particularly episode 3), and mentions buttsex with him several times during the series. But other times, he says he's not gay. It mostly depends on what's funnier.
Memetic Badass: In-universe, the Rower... but only in Naruto's opinion.
Misaimed Fandom: Many YouTube commenters who like the videos miss the point of a lot of the jokes.