Two Sides to Every Coin

 (Japanese (Katakana): 反転！善と悪) is the eleventh episode of Tenkai Knights. It first aired on November 02, 2013 on Cartoon Network in the United States.

Summary
On Earth, Guren receives Gen's advice about "choosing the side he wants". Meanwhile, the Corekai decide to infiltrate into the Dark Fortress to find the last Dragon Cube. But Dromus is equipped with a Core Corrupter to make the Corekai evil. Remebering Gen's advice, the Knights are able to turn their allies back to their old selves, causing Dromus to retreat. The heroes finally get all Dragon Cubes. Back on Earth, Guren's computer recives a message telling he is one of the "keys" that awake the Tenkai Dragon.

Plot
The Corekai find the Dark Fortress, containing the stolen Dragon Cube. They then decide to attack the fortress to retrieve the cube. Beag tells the boys about what the Corekai have learned and eagerly awaits the Tenkai Knights' strategy for storming the fortress. Little do either of them know, Dromus is now equipped with a Core Corrupter that can corrupt the Corekai and turn them evil.

Meanwhile, back on Earth, Guren receives Gen's advice about "choosing the side he wants". Once Guren and the others come up with a plan, they head to Quarton and attack. Unfortunately, Dromus appears and uses the Core Corrupter on the Volt Jets and the BlasTanks, which turned them into Sky Griffins and War Stallions. Remembering Gen's advice, the Knights are able to turn their allies back to their old selves, causing Dromus to retreat. The Knights and Corekai finally retrieve the Dragon Cube. Back on Earth, Guren's computer receives a message telling he is the "key" that will awake the Tenkai Dragon.

In the episode

 * Due to the match between Japan and the Ivory Coast on the 2014 FIFA World Cup in Brazil on June 14, 2014 this episode was aired one week later.
 * Dromus reveals in this episode he has the ability to shapeshift into tenkai titan mode.
 * Dromus has unleashed a new device called the core corrupter.
 * In this episode Bravenwolf and Dromus fight in tenkai titan mode for the first time.
 * In this episode Gen talks to Guren for the first time since when Guren sees Gen on the street he says " You never talk is everything okay? "

Characters
Note: All characters are listed in order of their first appearances in the episode. The time they appear is the time from the Japanese dub.

Episode
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