When You Wish Upon a Weinstein is episode 22 of family guy season 03. It was originally aired on November 9, 2003.
The day that Peter buys volcano insurance is the day that Lois becomes fed up with their constant money problems. When Peter wishes for a Jewish “money guy” to help them, Max Weinstein shows up at their door asking to use the phone to call for a tow. After meeting Max, Peter decides Chris could be successful if he converted to Judaism as soon as possible, but the plans for a “quickie” bar mitzvah in Las Vegas are quickly foiled by Lois.