The Justice League is a group of heroes dedicated to protecting the Earth from various threats.
The League is mentioned and show briefly in issue #45 of Teen Titans Go! where Beast Boy tells Sarah Simms his origins, he claims that he was "recruited" by the Justice League after gaining his powers, Cyborg then interrupts, saying that Beast Boy was recruited by the Doom Patrol, not the League.
- The Justice League's appearance is similar to their DC Animated Universe counterparts.
- The League is briefly mentioned in the New Teen Titans short, Gamma Rays and You.
- Cyborg is seen dressed as the Justice League's Watchtower for Halloween in the New Teen Titans short, "It's The Great Pumpkin, Garfield Logan".
- The Watchtower costume that Cyborg was wearing resembles the DCAU version. The costume also had the initials JLA on it, which stands for Justice League of America.