The Wedding is Off! (Episodes 306-330)

The kids keep getting into trouble - first they come face to face with black mambas, then they fall down an abandoned mineshaft. Sheridan tries to finally understand her past only for it to be foiled by Eve. Kay becomes even more evil. Finally, Ethan terminates his wedding to Gwen, sparking a massive mess for the Crane and Hotchkiss clans.  

Attributions: "Windswept" by Purple Planet Music.