Superman & Lois‘ series finale, which earned an “A” from TVLine readers, helped the show’s titular duo reach an emotionally satisfying conclusion — but their story wasn’t supposed to end there. Prior to the CW drama’s cancellation,

Warning: Spoilers for the Superman & Lois series finale below! Superman & Lois has finally wrapped up after an epic four-season run, and one of the Man of Steel’s most loyal friends finally dropped in just in time for the show’s end.

All El is about to break loose in Smallville as Superman & Lois literally smashes into its series finale tonight. And in TV Insider’s exclusive clip from the hour, “It Went By So Fast,” it becomes clear that our Man of Steel is gonna need some backup if there is any hope of ending the series in one piece.