Smallville, episode 9x08, "Idol"
Airdate November 13, 2009
Written by Ann Coffel Saunders, directed by Glen Winter
Guest Stars: David Gallagher (Zan), Allison Scagliotti (Jayna), Dylan Neal (Metropolis D.A. Ray Sacks)
DC Comics “The Wonder Twins” show up to help Clark clean up Metropolis — Superhero twins Zan (guest star David Gallagher) and Jayna (guest star Allison Scagliotti) show up in Metropolis to help The Blur fight crime but end up botching several rescues, landing Clark (Tom Welling) in hot water with the District Attorney’s office. Clark decides to come forward as the Blur to clear his name. Allison Mack, Erica Durance, Cassidy Freeman, Justin Hartley, and Callum Blue also star.