Superman races through the portal after Ally Allston, but when he arrives on the other side, he discovers everything on this parallel earth is... bizarre.

Back on Earth, Jon-El attacks his doppelganger, Jonathan, and Jordan tries to intervene, but Jon-El appears to be stronger and faster.

While Jordan and Jonathan question whether Lois and Clark are telling them the complete story, Natalie tries her best to get Sarah to acknowledge Jordan.

Clark and Lois disagree on the best way to figure out if Ally Allston went to the Inverse World.

A weary Lois holds vigil at Superman's bedside. Meanwhile, Jonathan and Jordan continue to worry about their father who seems more human now than ever.

Chrissy Beppo, with the authorization of the Department of Defense, has a message for the people of Smallville, not only is the merging of planets real, it is happening.

Clark and Lois are enjoying small town life. However, Lois' undercover assignment reveals a deadly foe that promises to change the Kent family forever.

Clark and Chrissy both notice a small crack in Lois' game face. Meanwhile, Sarah and Jordan have an awkward encounter. Lastly, Lana receives a panicked phone call.

As Clark Kent and Lana Lang become reacquainted at their high school reunion, a tycoon hatches a plan to use the supercomputer to achieve world domination and only Superman can stop it.

Fueled by his restored faith in humanity and inspired by Superman's selfless act, Bruce Wayne enlists the help of his newfound ally, Diana Prince, to face an even greater enemy.

Never-before-seen home movies and personal archives recount the tragic and redemptive story of actor and activist Christopher Reeve.