Release Message:  Weng-Chiang has stolen the time cabinet from Litefoot's house, so the Doctor (Tom Baker) and Leela go to try and stop him from using it.

Description:  Weng-Chiang has stolen the time cabinet from Litefoot's house, so the Doctor and Leela go to try and stop him from using it. They find an opium-drugged Chang. Jago teams up with Litefoot for their own investigation.