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Official Site: Saban

Power Rangers Operation Overdrive is the 2007 season of Power Rangers that tells the story of the Overdrive Rangers and their quest to collect the Corona Jewels before the multivarious factions of villains collect them first.

The Operation Overdrive Power Rangers are a fictional team of superhero in the television show Power Rangers Operation Overdrive, tasked with tracking down five individual jewels that fit onto Corona Aurora. Due to DNA resequencing, they have enhanced strength and intelligence as well as individual superpowers, and wield the Overdrive Trackers that serve as communicators and morphers. They are funded and run by billionaire Andrew Hartford and are based out of his mansion, located in San Angeles.

Mackenzie Hartford, short for Mack, is the Red Overdrive Ranger and "son" of Andrew Hartford. He is the only Ranger not deliberately recruited, being involved in Operation Overdrive by accident and against his father's wishes. Outgoing and enthusiastic, he was sheltered by his father for most of his life and had the desire to prove himself. Though initially believed to be genetically enhanced like the other Rangers, he is revealed late in the series to be an android. His memory is linked to the Operation Overdrive computer, so when it's infected with a virus, Mack ends up stuck repeating himself when the virus gets to him.

Mack is heavily into adventure novels and other escapist fantasies, and is determined to be a Ranger; he takes failure badly, almost quitting when he failed to protect a civilian. He showed bravery and quick tactical thinking in his first battle and has been quickly accepted and trusted as leader by the other Rangers. He has a close relationship with the household butler Spencer.

Thrax has not been a contender in any CBUB matches.