Robot Chicken Season 1 Episode 11

Shazam!
The channel flip where a boy says "Shazam!" and is struck by lightning is a parody of DC's hero, Captain Marvel. The flip shows what would "realistically" happen to a kid hit by a lightning bolt. In the comics, Billy Batson says "Shazam!" to call on the power of the wizard Shazam, who turns Batson into Captain Marvel via a lighting bolt.

Doctor: *to Arnold Schwarzenegger* No, it's not a tumor. It's not a tumor at all.

This is a reference to that one Arnold Schwarzenegger movie "Kindergarten Cop". Arnold, who plays as a cop teaching at kindergarten, says he has a headache. The kids say it could be a tumor. And he shouts to the kids "IT'S NOT A TUMOR!"

Sam: I helped the boy with his puppy! *warp*...oh boy
and
Al: Work the shaft Sam
The above quote is a spoof of the Quantum Leap plot.

Unnamed kid: "You, all right?! I learned it by watching you!"
The travestite kid's quote to his father is a reference from one of the many commercials that ran over the years urging kids not to use drugs. In one, a father finds his kid's stash and asks where he learned how to do drugs. Towit, the kid replies he learned by watching his own father. IRONIC! The tagline then ends, "Parents who use drugs, have kids who use drugs." In this case, of course, it means that parents who cross dress, have kids who cross dress