The Flash Season 9 Ep 7 Trailer Reveals First Look At Final Supergirl Crossover

The Flash season 9, episode 7 trailer reveals the first look at the final Supergirl crossover, which includes Dreamer joining the show. The end is near for the Arrowverse's longest-running series as The Flash season 9 only has seven episodes left. After finishing the Red Death saga, the show is currently in its interlude phase with standalone episodes. Those will be leading up to the final storyline for The Flash season 9. Before the show ends, several Arrowverse characters will be showing up in Central City one last time.
Following the airing of "The Good, The Bad, and the Lucky," The CW (via TV Promos) released The Flash season 9, episode 7 trailer. Titled "Wildest Dreams," the trailer gives a first look at Supergirl's Dreamer joining The Flash, with Nicole Maines reprising the role.
Kristen Kim and Jeff Hersh wrote the episode, which was directed by Jesse Warn, and airs on Wednesday, March 29. The Flash season 9, episode 7 trailer features Nia and Iris West-Allen trapped inside a dream.