Theater starts with the written word, comes to life in the voices of actors and endures in the memory of its audiences. Sometimes, as with Carl Sternheim’s The Underpants, written in 1910, it gets forgotten until someone rediscovers it, reimagines it and breathes life into it — as comedian Steve Martin did for The Underpants in 2002.
A German farce, The Underpants seems a comedic take on Ibsen’s The Doll House, which debuted 31 years earlier. The themes of...