Season 3 Episode 19 - Tsunami

Gabrielle gets kidnapped when trying to free Autolycus from being put on a boat to go a work in amine as punishment, but Xena goes to save her. The boat leaves the dock and Gabrielle and Xena are stuck there, Xena knows that Autolycus would only be in chains if he wanted to be and finds out that he wants to go to the diamond mines and keep the diamonds for himself. Then a nearby volcano erupts and makes a large tidal wave sink the boat, Xena has to save everyone from drowning as the boat has upturned and the air supply is low. Xena has a plan she decides to use the Gaza's as a fast way up and, as usual, it works. They all survive even the ones who were badly hurt by the boat sinking in the first place.