Watch Green Lantern: The Animated Series S01E14
The New Guy
When Hal returns to Earth, he finds out he's been replaced as the Green Lantern of Sector 2814 by Guy Gardner. The pair are forced to work together when a trio of Manhunters are reactivated on Earth after the Anti-Monitor invades this universe. . You can watch Green Lantern: The Animated Series S01E14 here.