Watch Justice League: Crisis on Infinite Earths - Part One (2024) online

As the Earths start to crumble and merge together, the Justice League members must come together to try and stop the Anti-Monitor's destruction. Batman, Superman, Wonder Woman, The Flash, Green Lantern, and Martian Manhunter must put aside their differences and work together to save the Multiverse.
With the help of heroes from different Earths, including Supergirl, Black Lightning, and Batwoman, the Justice League battles against the Anti-Monitor's army of shadow demons. They face off against powerful foes like the evil speedster Reverse-Flash and the mind-controlling villain Starro.
As the battle rages on, tragedy strikes as more heroes fall in the line of duty. The Justice League is forced to make difficult decisions and sacrifices as they fight to save what remains of the Multiverse.
In the midst of the chaos, a mysterious figure known as the Pariah appears, warning of an even greater threat on the horizon. The Justice League must race against time to find a way to stop the Anti-Monitor before all hope is lost.
In a final desperate battle, the Justice League confronts the Anti-Monitor on the remains of Earth-1. With their combined strength and determination, they manage to defeat the villain and restore order to the Multiverse.
But the battle is far from over, as the Pariah reveals that a new threat has emerged: the powerful being known as the Spectre, who seeks to remake the Multiverse in his own image. The Justice League must now prepare for their greatest challenge yet as they face the Crisis on Infinite Earths.