What episode?

Any audio files available?

I remember that was used in more than one episode. I think I remember the first ep where they had that was "The Golden Child," the season 2 premire.

Yeah, they definetly used that in more than one episode. It was (one of) the show's running gags.

ha ha ha ha haaaaaaaa! yeah, i remember those ask mr lizard running gags which spoofs the nickolodeon show ask mr wizard, yeah, timmy ends up getting his head blown off every episode when ever he tries to poor nitrogen in the blender or looking into a rocket!