CW President Mark Pedowitz explained their decision to have a special episode of Arrow on Monday saying that they already paired up The Flash and Legends of Tomorrow on Tuesday.
"We're really approaching this big four-part event as two back-to-back two hour movies, and I think when you look at it through that lens, it becomes less important for the Supergirl episode to feel like a Supergirl episode and the Arrow episode to feel like an Arrow episode, which was always our approach in the past". We thought this was a tight, concise way of doing it.
He was light on other details, except to say that "romance is in the air".
Earlier this year, executive producer Andrew Kreisberg told reporters that the shows were planning for a true four-way crossover next season.
Keep your eyes peeled for more on the individual CW shows-and the impending crossover event-as we get closer to the October premiere dates. It's the fun of having everybody get together, that's the fun of it. I can't wait to see what the Arrowverse has in store for us this November. Ratings went on an all-time high, causing the network to earn its best ratings over the last six years. The crossovers will see the return of Neal McDonough, Wentworth Miller, and Arthur Darvill to Legends of Tomorrow (the more Captain Cold, the better). "We have no plans to develop any DC shows this season", said Pedowitz. While last year's 'Invasion!' did span all four CW series, the storyline's kickoff on Supergirl manifested simply as a teaser at the end of the episode; one that was recapped in the second part on Arrow, rendering the Supergirl portion as pointless. Arrow season 6 premieres on the show's new day and time slot Thursday October 12 at 9pm.