Martian Manhunter's prediction of an alien invasion by The Joining has come true. As Batman tries to stop them on his own, he learns that even working with a team will stop The Joining.
| Creator | Duane Capizzi |
|---|---|
| Actor | Rino Romano, Evan Sabara, Danielle Judovits |
| Country | United States of America |
| Production | Warner Bros. Animation |