What to Expect from Tracker Season 3 Episode 21: Chrono Stasis
Jensen Ackles returns as Russell Shaw on Tracker Season 3 Episode 21, “Chrono Stasis.” Russell has found the doctor who was working with their father on a chrono stasis project in Alaska.
But before he and Colter can pay her a visit, Russell wants them to return to Echo Ridge to see their mother.

Here’s everything you need to know about Tracker Season 3 Episode 21, including the air date, cast, promo video, sneak peek clips, and how to watch.
Tracker Season 3 Episode 21 Details
- Title: “Chrono Stasis”
- Air Date: Sunday, May 17th
- Time: 9:00-10:00 PM ET/PT
- Network: CBS
- Writers: Sharon Lee Watson & Amanda Mortlock
- Director: Jeff T. Thomas

How to Watch Tracker Season 3 Episode 21
- Live: CBS at 9:00-10:00 PM ET/PT
- Streaming: Streams live and on-demand for Paramount+ Premium plan subscribers, or on-demand for Paramount+ Essential subscribers the day after the episode airs.
Tracker Season 3 Episode 21 Description
Colter and Russell unite in a personal mission to uncover their father’s mysterious work.
Guest Stars & Returning Characters
- Main Cast: Justin Hartley as Colter Shaw, Fiona Rene as Reenie Greene, Chris Lee as Randy
- Guest Stars: Jensen Ackles, Jeri Ryan, Jerry Trimble
More Photos From Tracker Season 31 Episode 21:




Promo video:
Sneak Peek Clips:
What are your hopes for this episode of Tracker? Share your thoughts with us in the comments below!
Tracker airs Sundays on CBS.
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