If you failed this one, you better leave.

Until season 2

Who is the host?

The song appears in the episode "Everything's A-OJ"

"Hatching the plan" is the 14th episode of II 2

Bow, Dough or Knife were the correct answers

The question is how many seasons she "appeared" in, not "participated" in.

Appears in Inanimate Insanity Infinity, which appears in Inanimate Insanity 2 "Alternative Reality Show"

The one who participated in III is Bot, a Bow robot.

Disappear the contestants' arms and faces