Superman: The Animated Series (1996)

S03E07 In Brightest Day...

Superman joins forces with Kyle Rayner, the latest Green Lantern, to confront the formidable threat posed by Sinestro. Together, they must combine their strengths and skills to thwart Sinestro's dangerous plans and protect the universe from his malevolent ambitions. As they navigate their partnership, they face challenges that test their abilities and resolve, ultimately aiming to restore peace and justice.