This fanfic in which the Gaang themselves see the movie and set off to the movieverse to "fix" their live-action counterparts. It is glorious.
When "Ong" is asked by "Sohka" if he's the "Ahvatar", even Noah can't restrain his "WTF am I doing? why am I here?" face. especially after Nicola has just ended delivering her lines somewhat competently.
Some of the challenges are pretty funny. For example, you have to throw one of the soldiers out of a large hole in Zhao's room.
Being able to lift up soldiers with Aang's Airbending. You have to use this ability for the challenge mentioned above.