The official episode description for 9.16 “Escape”, airing on Friday April 2nd:

“SMALLVILLE” — (8:00-9:00 p.m. ET)
“Escape” (CONTENT RATING TBD) (HDTV)

DC COMICS’ CHARACTER SILVER BANSHEE INTERRUPTS A ROMANTIC GETAWAY FOR LOIS AND CLARK — Clark (Tom Welling) and Lois (Erica Durance) head out of town for a quiet romantic getaway, but their plans are thwarted when they run into Chloe (Allison Mack) and Oliver (Justin Hartley) at their Bed & Breakfast Inn. The couples’ awkward moment is interrupted by the arrival of the Silver Banshee (guest star Odessa Rae), who sets her sights on Clark and Oliver. Meanwhile, Tess (Cassidy Freeman) faces off with Zod (Callum Blue) with a surprising result. Kevin Fair directed the episode written by Genevieve Sparling (##3×5266).

SOURCE: SpoilerTV