Green Lantern: The Animated Series (2011)

S1E18 Prisoner of Sinestro

Sinestro, the Green Lantern, sets loose a menacing beast aboard the Interceptor. As chaos ensues, the crew must band together to confront this formidable threat. With time running out, they must find a way to neutralize the creature before it wreaks havoc on their ship and its mission. Tensions rise as they navigate Sinestro's treachery and fight for survival against the odds. Will they overcome the darkness he has unleashed, or will they fall victim to his sinister plot?