Inspired by the 1989 DC Comics event, Invasion! was an ambitious crossover that brings Flash, Arrow, and the Legends of Tomorrow together. This TV event also saw Supergirl heading to Earth-1 after ...

He specifically cited “Crisis on Earth-X” – which aired in 2017 as a crossover of Supergirl, Arrow, The Flash and ... scheduling out and planning these episodes. However, it's still a ...

and even Arrow star Stephen Amell got into the game last week, speculating that one would materialize. It seems likely, based on past history, that the planned crossover will take place in ...

Arrow has a separate article celebrating the 100th episode, which very much celebrates the show as well as moving the crossover forward, so the actors will be discussed in detail there.

The storylines will be "intertwined" as characters from both series interact across the two episodes, the BBC said. The crossover will begin during Casualty on Saturday 2 March and will conclude ...