With Michael Rosenbaum confirming his series finale return to Smallville, fans of this CW smash have reason to celebrate.

But they also have reason to worry: on this Friday's new episode, Chloe and Oliver will be kidnapped by Desaad’s minions, with the former facing the scary possibility of darkness infection.

Elsewhere, Lois will offer Clark some advice about disguising himself and his secret identity. Get your first look at the events to come on "Masquerade" via the following preview:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.