Tracker Season 2 is only two episodes deep, but the hit CBS show’s spectacular guest star streak is going strong. Season 2’s premiere let Manifest‘s Matt Long show his range, and the second episode of the sophomore season marks the moment Supernatural fans have been waiting for.

The second episode will see the return of Colter's brother, Russell ( Jensen Ackles ), who is recruited by Reenie ( Fiona Rene) after Colter goes missing on a case. (Reid confirmed the Supernatural star will continue to recur in the series for as long as he is available.)

When Colter ( Justin Hartley) goes MIA while looking for a missing person, his team turns to his brother Russell ( Jensen Ackles) to help—and the episode adds to the Tracker mystery surrounding their father. (And yes, as with his first episode, there are plenty of moments that remind us of Ackles on Supernatural .)

CBS’ hit series “ Tracker ” continues its second season with a new episode on Sunday, Oct. 20, at 8 p.m. ET on CBS. Watch the new season for free with a trial on Paramount+, Fubo or DIRECTV Stream.

Ackles plays the brother of Colton Shaw (Justin Hartley) in the CBS hit Sergei Bachlakov/CBS Jensen Ackles and Justin Hartley on Tracker Jensen Ackles' first Tracker episode of the season is sure to get Supernatural fans pretty revved up.

Jensen Ackles returns to play Russell Shaw on another episode of "Tracker," which finds the actor treading familiar territory rooted in sci-fi.

Tracker brought back Jensen Ackles‘ character, Russell, in season 2 - and the Supernatural Easter eggs followed. During the newest episode, which aired on Sunday, October 20, Justin Hartley‘s character,