Marty, Jules and Verne head back to the 1850s, where they meet Jules and Verne's maternal grandparents, Daniel and Martha. Unfortunately, Martha falls in love with Marty instead of Daniel, and Clara is in danger of never existing. Things get worse when Martha is kidnapped by Wild Bill Tannen...
Elenco: Mary Steenburgen , David Kaufman , Dan Castellaneta , Josh Keaton , Thomas F. Wilson , Danny Mann , Bill Nye , Christopher Lloyd , Catherine Cavadini , Tom Wilson .