Theater

* “A Tuna Christmas”--Jaston Williams, above left, and Joe Sears spoof small-town culture and conservatism in their sequel to “Greater Tuna,” playing at the La Mirada Theatre through Feb. 7.

* “Cowgirls”--The national tour of the comedy about three classical musicians mistakenly hired to play at a country music bar is at Citrus College Friday night and Plummer Auditorium Saturday night.

* “Grease”--Danica McKellar (“The Wonder Years”) plays Rizzo in the ‘50s musical, opening at the Grove in Upland Saturday. It will continue its run Fridays through Sundays, ending Feb. 28.