Usage patterns
〈劇場〉で〈物〉を見るto watch (a play/performance) at the theater
Last week, I watched a musical at the theater.
劇場に足を運ぶto go to the theater (in person)
He goes to the theater every month.
劇場で公演するto perform at a theater
The theater troupe is scheduled to perform at a theater in Tokyo.