Superman & Lois brought its Doomsday arc to a close with its series finale. Here's how the DC Comics supervillain met his end on the show.

Warning: spoilers ahead! 'Superman & Lois' stars Tyler Hoechlin, Elizabeth Tulloch, and Michael Cudlitz, as well as showrunner Brent Fletcher, explain what that emotional Lex Luthor moment in the series finale means.

El’s battle against Doomsday. But, many were left surprised by how showrunners Brent Fletcher and Todd Helbing chose to end the fight. Following the finale, the two talked about Doomsday’s fate in the show.

SPOILER ALERT! This post contains details from the series finale of Superman & Lois. The CW bid farewell to Superman & Lois on Monday night with an epic finale that not only closed the chapter on Lex Luthor’s terror over Smallville but also gave audiences a glimpse at the lives their favorite characters would go

Tyler Hoechlin, Elizabeth Tulloch, and executive producers Todd Helbing and Brent Fletcher unpack that bittersweet happy ending.

Superman & Lois concludes with one final epic chapter, concluding all its storylines and providing a deeply emotional sendoff for its heroes.

Superman & Lois Season 4‘s final episode has premiered. The stakes were high as it resumed the final showdown between Superman and the mighty Doomsday. However, in a shocking turn of events, the monster ended up killing himself for the Man of Steel.