The Arrowverse Joins Forces in 'Crisis on Infinite Earths' (PHOTOS)

Meredith Jacobs

The Arrowverse is gearing up for its biggest crossover ever — the five episodes will air over two months — and it's going to take all of its heroes to stop this threat.

The heroes of ArrowThe FlashSupergirlDC's Legends of Tomorrow, and Batwoman are all coming together to stop a Crisis, and they'll be joined by some familiar faces to DC fans.

Arrowverse Heroes Unite in First 'Crisis on Infinite Earths' Teaser (VIDEO)

Arrowverse Heroes Unite in First 'Crisis on Infinite Earths' Teaser (VIDEO)

The five-part event will include Black Lightning and have Brandon Routh back in a cape.

It all begins with Supergirl on Sunday, December 8, before continuing on Batwoman on Monday, December 9 and The Flash on Tuesday, December 10. Then fans will have to wait until 2020 for the final two hours, Arrow and Legends of Tomorrow back-to-back on Tuesday, January 14.

Click through the gallery above for a look at the epic crossover.

Arrowverse "Crisis on Infinite Earths" Crossover, December 2019 and January 2020, The CW