Tracker Season 4 Episode 2 Preview: Photos, Promo, Plot & Air Date

Erica Hernandez and Sarah Jane Morris guest star in CBS’s Tracker season four, episode two, which finds Colter dodging falling boulders while searching for missing hikers. “Switchback” will air on Sunday, October 11, 2026 at 9pm ET/PT.

Justin Hartley leads the cast as Colter Shaw, Chris Lee returns as Randy, and Fiona Rene’s back as Reenie Greene. Hartley, Katsnelson, Ken Olin, Elwood Reid, Sharon Lee Watson, Travis Donnelly, and Ryan O’Nan serve as executive producers. Author Jeffrey Deaver is a producer.

“Switchback” Plot: When a mother and daughter vanish while hiking the Pacific Divide Trail, Colter races to find them after discovering they were being stalked. Travis Donnelly and Ryan O’Nan wrote the episode, and Jeff T. Thomas directs.

Tracker Season 4 Episode 2
Justin Hartley as Colter Shaw and Erica Hernandez as Becca in ‘Tracker’ season 4 episode 2 (Photo: Mike Taing © 2026 CBS Broadcasting, Inc)

Tracker Description, Courtesy of CBS:

Tracker stars Justin Hartley as Colter Shaw, a skilled tracker and lone-wolf survivalist who crisscrosses the country searching for missing people and collecting rewards. Relying on his sharp instincts, unconventional expertise, and trusted team, Colter tackles dangerous cases, uncovers hidden truths, and brings answers to those with nowhere else to turn.

Chris Lee in season 4 episode 2
Chris Lee as Randy and Cassady McClincy Zhang as Mel in season 4 episode 2 (Photo: Mike Taing © 2026 CBS Broadcasting, Inc)
Fiona Rene in season 4 episode 2
Fiona Rene as Reenie Greene in the Switchback episode (Photo: Mike Taing © 2026 CBS Broadcasting, Inc)
Erica Hernandez and Justin Hartley
Erica Hernandez as Becca and Justin Hartley as Colter Shaw in season 4 episode 2 (Photo: Mike Taing © 2026 CBS Broadcasting, Inc)
Justin Hartley in season 4
Justin Hartley as Colter Shaw in season 4 episode 2 (Photo: Mike Taing © 2026 CBS Broadcasting, Inc)