Halloween Horror Musical With BATS Improv

Celebrate the year’s spookiest holiday with some frightfully good comedy. This completely improvised feature-length musical will “become a matter of life and death” as the night progresses, incorporating cues from audience suggestions as well as from classic horror flicks like Poltergeist, The Exorcist, and more. BATS Improv Fort Mason Center, Bldg D (415-474-6776). Fri Oct 30 8pm and Sat Oct 31 8 pm. $17.