Trivia: The guy who starts to read when the satellite signal is lost at the end of the movie is Kyle Gass, the other half of the band Tenacious D, of which Jack Black is also a member.
Trivia: In the beginning of the film, we see on the television some serial killer that is being busted, that appears two or three times in the movie, but the killer is Ben Stiller, he was the director of The Cable Guy.
Trivia: The girl who plays Steven's secretary is Ben Stiller's sister, Amy.
Answer: Earlier in the movie during a flashback of the Cable Guy's childhood, when his Mom was going out she called the television "Mr. Babysitter". He means he's going to disrupt the television signal to give all the boys and girls whose parents use television as a babysitter a chance.
Bishop73