Watch the high-stakes promo for the season finale as the world waits for a miracle:
The finale also served as a launchpad for future storylines through several key cameos and character shifts: [S2E15] Waiting for Superman
: A supercharged Superman successfully unmerges Ally and uses a massive solar flare to push the two universes apart, ending the threat once and for all [11, 15]. Watch the high-stakes promo for the season finale