What is a crossover episode?

A list of crossover episodes which involve characters from multiple shows within the Arrowverse. They are arranged chronologically, grouped by season. 1.3 Invasion! The first annual crossover event in the Arrowverse aired during the 2014–2015 season.

What is the most bizarre crossover event in the Arrowverse?

Elseworlds Of all of the crossover events in the Arrowverse, Elseworlds is easily its most bizarre. The event is explored through The Flash, Arrow and Supergirl and sees Barry Allen and Oliver Queen switch identities after Dr. John Deegan rewrites reality.

Will there be a 'Flash vs Arrow' crossover every season?

The next year, the eighth episodes of the third season of Arrow and the first season of The Flash formed a two-part event known as "Flash vs. Arrow". In January 2015, The CW president Mark Pedowitz said that there would be an Arrowverse crossover every season.

What is Arrowverse crossover theme?

"Arrowverse Crossover Theme Is 'Elseworlds,' Casts Multiverse Observer". TVLine. Archived from the original on September 27, 2018. Retrieved September 26, 2018. ^ Mitovich, Matt Webb (December 11, 2018). "Arrowverse Crossover Title for Fall 2019 (!) Is Revealed — And It Is a Doozy". TVLine. Archived from the original on December 12, 2018.