Calendar for Aug. 5

FRIDAY

Olympic medalist lecture

Olympic champion swimmer Shirley Babashoff will speak about her life and book, “Making Waves: My Journey to Winning Olympic Gold and Defeating the East German Doping Program.” The event is from 7 to 8:30 p.m. at Temple Bat Yahm, 1011 Camelback St., Newport Beach. Tickets are $12 to $18. For more information, call (949) 644-1999 or visit tby.org.

Hunter Hayes and Cassadee Pope

Musicians Hunter Hayes and Cassadee Pope will perform starting at 7:30 p.m. at Pacific Amphitheatre, 100 Fair Drive, Costa Mesa. Tickets are $35 to $65. For more information, call (714) 708-1500 or visit pacamp.com.

FRIDAY AND SATURDAY

Tom Arnold

Comedian Tom Arnold will perform at 7:30 and 9:45 p.m. Friday and 7 and 9 p.m. Saturday at Irvine Improv, 527 Spectrum Center Drive. Tickets are $25. For more information, call (949) 854-5455 or visit irvine.improv.com.

SATURDAY

The Fab Four

The Beatles tribute band The Fab Four will perform at 8 p.m. at Pacific Amphitheatre, 100 Fair Drive, Costa Mesa. Tickets are $17.50 to $30. For more information, call (714) 708-1500 or visit pacamp.com.