Episode 211

[Schecter]

Alien sighting, people. In episode 211, the one about the planetarium, around the end of the episode, look at the big, black, wall of buttons in the control room. In one of the scenes, two of the buttons function as the alien's eyes, and a black outling as it's body.

[Stovepipe_Jam]

Well spotted!!!!!!!

According to Matt and Trey, there is a Visitor hidden somewhere in every episode, and also in the movie.

[noreaster]

When the boys are out testing the star machine, Stan talks about "this says maximum" or something like that. There is only a 10 on the dial!

[rabidpenguin]

Aliens aren't really a blooper, they're more of a hidden thing in the episodes. The animation director said that he hasn't put visitors in every episode and he doesn't remember which ones he didn't.