One of the most epic superhero crossovers is about to hit the small screen. With Supergirl Season 2 flying to The CW, she is expected to join forces with The Flash, Arrow, and Legends of Tomorrow in one super episode.

During the unveiling of The CW’s fall schedule on May 19, Thursday, network President Mark Pedowiz claimed that The CW is where Supergirl “should have been in the first place.” He detailed his and Grey Berlanti’s plans on the direction Supergirl Season 2 will take. Since its first run was a success, the tone of the show will remain the same under the network.

Supergirl does find itself in good company in The CW where fellow DC Comics superheroes The Flash, Arrow, and Legends of Tomorrow reside. A supersized crossover event featuring the characters in these shows is a long time coming, and Pedowitz is ready to deliver.

“Just imagine what our superhero crossover episode is going to look like come December,” Pedowitz teased, as quoted by Entertainment Weekly. He added that this crossover will be the “biggest ever.”

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This won’t be the first time that some of the characters made appearances in other shows. Before the pilot episode of The Flash aired, Grant Gustin was introduced as Barry Allen in Arrow Season 2. Stephen Amell later appeared as the Green Arrow in The Flash Season 1. The DC Comics television universe became even more intertwined with the release of DC’s Legends of Tomorrow, in which former Arrow regular Black Canary (Caity Lotz) and The Flash baddies Leonard Snart (Wentworth Miller) and Mick Rory (Dominic Purcell) are now a part of.

Network rivalry couldn’t even keep The Flash and Supergirl from coming together. The Flash made a special appearance in the first season of the Supergirl TV Series when the show was still with CBS.

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With Supergirl Season 2 underway, The CW made major adjustments in its schedules. According to Los Angeles Times, Supergirl CBS is scheduled for an 8 p.m. timeslot on Mondays, moving Crazy Ex-Girlfriend to Fridays.

Meanwhile, The CW retains majority of the original Supergirl cast with the exception of Calista Flockhart, who plays Cat Grant. The actress’ future in the series remains uncertain especially since Supergirl Season 2 is making the big change by moving its filming location from Los Angeles, California to Vancouver, Canada.