[s21e16] Vrak Is Back (1) Apr 2026

: By draining Orion, Vrak turns the Rangers’ Legendary Keys to stone and disables their Super Mega Mode . This forces the team to revert to their original Megaforce forms and arsenal, including the Gosei Great Megazord . Dark Robo Knight Returns

The most emotional blow for the team is the return of Robo Knight , who has been MIA since the Megaforce finale. [S21E16] Vrak is Back (1)

: Vrak reveals he has been holding Robo Knight captive and has reprogrammed him into Dark Robo Knight. : By draining Orion, Vrak turns the Rangers’

: Vrak reveals his master plan to plant three massive drills in the land and sea to reach the Earth's core and turn the planet into dust. : Vrak reveals he has been holding Robo

: Forced to fight their former ally, the Rangers—particularly Noah —are devastated to see the guardian of the environment now acting as the "Destroyer of the Earth". The Ultimate Deception

In a classic Vrak move, he tricks the Rangers into doing his dirty work. He sends his henchman, , to fight the Rangers. When the Rangers use their Sea Brothers power to destroy him, Vrak reveals that Tresnag was a "cipher" designed to absorb their attack energy. That very energy is what powers the second giant drill, leaving the Rangers in a state of despair as they realize they’ve helped Vrak get one step closer to checkmate .