Rita Repulsa and Lord Zedd's magically aged son, Thrax comes to earth after breaking free from a dumpster prison he was put in by Sentinel Knight (OO's Zubaan). He gathers the villains of earth and brings them together to form an alliance and royally kick the Overdrive Rangers' asses and severs their link to the Universal Morphing Grid, so that even if they repair their Trackers, they won't be able to morph.
The powerless teens decide that even though they are no longer Power Rangers they can still fight, so they follow Kamdor and Mig to Stonehenge, where they fight until they get their butts kicked again. Suddenly before they are finished off, the villains are attacked by several "retro" rangers, who demorph after they make the two retreat.
Sentinel Knight explains he gathered the five and restored their powers to replace them. The whiny OO rangers decide they are unwanted and go back to their old lives to let the Retro Rangers handle the evil alliance of villains.
And that's how part one ends...
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