San Francisco's comedy festival Sketchfest turns 20

What's happening: Sketchfest celebrates its 20th anniversary this year with two weeks of sketch comedy, standup, improv, tributes and more.

• The shows are scattered across the city and include stars like Fred Armisen, Jane Lynch, Cheech Marin and Tommy Chong, as well as up-and-comers.

Details: The festival runs through Feb. 5 and tickets — which start at $20 for in-person events — can be purchased online.

• Select shows will also be streamed.

Some shows we're watching include:

Don’t Watch This Show Live: Featuring Brooke Heinichen and Kyle Gordon.

• Wednesday, Jan. 25 at 8pm at the Gateway Theatre.

Uptown Showdown: Featuring John Ross Bowie, River Butcher, Dana Gould and others.

• Friday, Jan. 27 at 10pm at the Brava Theater Center.

Tribute: An Evening With Elliott Gould: Featuring a 50th-anniversary screening of "The Long Goodbye."

• Saturday, Jan. 28 at 5pm at the Castro Theatre.

"Gentrif*cked": Featuring Vanessa Gonzalez and The Latino Comedy Project.

• Friday, Feb. 3 at 7:30 at the Brava Theater Center.