To distract his father and try to stall the planning, he secretly invites his estranged grandfather Irwin, who is now living on an Indian reservation with a New Age woman named Sacred Feather.

Now seeing his bar mitzvah not as an excuse to throw a party but rather as a rite of passage in his Jewish life, Benjamin gets up the courage to tell his parents to call off the over-the-top bash they had planned.

After he does very well at the service, the party is just a casual backyard affair with lunch, a klezmer band (with a guest-star singer and guitarist, as Adam "couldn't cancel Neil Diamond") who was there as a favor to Benjamin's grandmother.

[8] It has an Ark (where the scrolls of the Torah are kept) built by Jewish carpenters working for Warner Bros. that was originally used on a film set, and installed in the synagogue after the movie was completed.

[9] The website’s critics consensus reads: "Keeping Up With the Steins is one of those comedies that play more like a corny sitcom than a theatrical movie.

"[9] Stephen Holden of The New York Times wrote, Keeping Up With the Steins "begins as a growling, razor-toothed satire of carnivorous consumption in Hollywood" and said it "would have been a much better film if it had waited twice as long before retracting its fangs".