Teri Hatcher

Teri Hatcher, Lois & Clark's original Lois Lane, will arrive on Smallville Friday (8/7c on the CW) — but this time, she's playing Lois' mom.

Teri Hatcher joins Smallville

In the episode, Lois (Erica Durance) discovers videos made by her deceased mother, Ella. Check out a first look at the Desperate Housewives star on Smallville, along with a sneak peek at Lois' discovery: