The CW network has released the synopsis for episode #106 of Frequency, which you can check out below. The installment, titled “Deviation,” is officially described as follows:
SUPERNATURAL’S CURTIS ARMSTRONG GUEST STARS — In 2016, Raimy (Peyton List) meets a strange character named Karl (Guest star Curtis Armstrong), who speaks to himself in the future. In 1996, Frank (Riley Smith) feels like he’s being taunted by the Nightingale. Meanwhile, having discovered new information, Raimy and Frank set up a plan to use the Nightingale’s next victim as bait. Mekhi Phifer, Devin Kelley, Anthony Ruivivar, Daniel Bonjour and Lenny Jacobson also star.
Frequency “Deviation” was directed by John Kretchmer and written by Jeannine Renshawe. The episode airs Wednesday, November 9, at 9pm on The CW.