When the call for action comes, they take a message! In this original audio sitcom: In an invisible zeppelin floating over the globe, Bruce and Mabel answer the phones for the world's leading hero team, the Star Sentries. They handle the calls from citizenry in distress, the villains seeking to destroy, and the heroes in need of a quick chat. START WITH EPISODE 1: MABEL'S FIRST DAY. Don't start with the most recent episode. There is a through-line here.