Spellbinder (1995)

S2E16 Graveyard of Machines

While searching for a way to repair their boat, the group ends up in a bizarre realm filled with scattered remnants of destroyed machinery. Scholar Meck believes he can make a difference by attempting to repair one of the colossal machines. To his surprise, he succeeds, but the machine unexpectedly powers up and begins to fire at anything that moves, putting everyone in grave danger.