Belly of the Beast Mighty Morphin Power Rangers : Season 17 Episode 18

The Rangers must return to the factory where the doomsday device is being built. Dillon attempts to find his sister before it's too late. Dillon discovers that he, Summer, Gem & Gemma are in his sister's cell. Summer finds the key that belonged to Dillon's sister at Venjix factory that matches Dillon's key.