Kara aka Supergirl returns to the CW’s Smallville tonight. Laura Vandervoort reprises her role as Clark’s Kryptonian cousin. Kara has a message from Jor El for Clark (Tom Welling). A “dark force” is coming to Earth that must be stopped. Check out the synopsis, promo, and sneak peek of the aptly titled “Supergirl” below:

Smallville: Episode Synopsis for “Supergirl”  (Season Ten, Episode Three)

LAURA VANDERVOORT RETURNS AS DC COMICS’ CHARACTER SUPERGIRL — Clark (Tom Welling) is stunned when Kara (guest star Laura Vandervoort) returns to Earth and tells him Jor El sent her to stop the dark force that is coming because he doesn’t believe Clark can handle it. Meanwhile, Lois (Erica Durance) confronts Gordon Godfrey (guest star Michael Daingerfield), a shock jock radio DJ who has been crusading against heroes, after he threatens the Green Arrow (Justin Hartley). However, after Godfrey is possessed by the dark force, he takes Lois hostage and Clark and Kara have to come to her rescue. Mairzee Almas directed the episode written by Ann Cofell Saunders.

Smallville: Promo for “Supergirl”

Smallville: Sneak Peek At “Supergirl”

Watch Smallville on the CW, Fridays at 8/7C.

[Source] The CW