Lewis Black. Through Feb. 22 at The Improv, 62 S. Second St., San Jose. $22-$25. (408) 280-7475.

saturday | 28

Mort Sahl. Political commentator and comedian Sahl in conversation with Gerald Nachman, author of “Seriously Funny: The Rebel Comedians of the 1950s and 1960s.” At Osher Marin Jewish Community Center, 200 N. San Pedro Road, San Rafael. 7:30 p.m. $20-$25. (415) 444-8000.

sunday | 29

“One Arab. One Jew. One Stage. Two Very Funny Guys.” Rabbi Bob Alper and Ahmed Ahmed perform nonpolitical stand-up comedy. At Congregation Shir Hadash, 20 Cherry Blossom Lane, Los Gatos. 2:30 p.m. $15-$20. (408) 358-1751.