Episode 26 - S1.E26

Mu-tan returns to the Skeleton Chief to demand more men. The Chief grants his request, but orders Mu-tan to capture Dr. Hayden and his party or die. As Dr. Hayden and the others travel through the caves to the lost city of Tobanya, Chongo is attacked by a giant bat, which Morgan is able to scare off. However, upon entering another cave, they are not so lucky.