3x12 - Action League Now!

The Mayor, disguised as a movie director, offers Thundergirl the lead role in his upcoming project. However, every scene involving her ends with an injury in one way or another. Meltman soon finds out the director's true identity, but the rest of the Action League are too busy with their yet-to-come fame to care. Will the final scene—involving a massive safe landing on top of Thundergirl—be the final blow for her?