# CBS series Tracker season four release

> Live situation record from CLSTR: https://clstr.news/situations/cbs-series-tracker-season-four-release
> Updated: 2026-10-05T01:15:00.000Z. Sources: 8. Developments: 4.

The fourth season of the CBS series ‘Tracker’ premiered on October 4, 2026, with the episode ‘Safe Harbor.’ The premiere follows Colter Shaw as he investigates the disappearance of a man at the Port of Los Angeles, a case initiated by a teenager seeking his missing father.

Following the premiere, the second episode, titled ‘Switchback,’ is scheduled to air on October 11, 2026. This episode will feature a search for a mother and daughter who vanished while hiking the Pacific Divide Trail. The series follows a weekly release schedule and is available to stream via Paramount+.

Previously, executive producer Elwood Reid indicated that the season would explore Shaw’s emotional vulnerabilities and life outside his professional duties. Star Justin Hartley confirmed that Jensen Ackles will return as Russell Shaw in the fifth episode, continuing a storyline where the brothers embark on an ‘epic journey’ following a period of mended fences and lingering suspicion.

## Claims

- The fourth season of Tracker premiered on October 4, 2026. (corroborated by 2 sources)
- The second episode, titled ‘Switchback,’ is scheduled to air on October 11, 2026. (corroborated by 2 sources)
- Tracker is available to watch on CBS and streams on Paramount+. (corroborated by 2 sources)
- The season premiere, ‘Safe Harbor,’ involves a search for a missing man at the Port of Los Angeles. (single source)
- The episode ‘Switchback’ features a search for a mother and daughter missing on the Pacific Divide Trail. (single source)

## Timeline

### 2026-10-05: Tracker Season 4 premieres on CBS with new missing persons cases

The fourth season of CBS’s Tracker premiered on October 4, 2026. The new season features Colter Shaw investigating missing persons cases, with the second episode, ‘Switchback,’ airing October 11.

5 sources. https://clstr.news/cluster/tracker-season-4-premieres-on-cbs-with-new-missing-persons-cases

### 2026-09-17: Jensen Ackles to return to ‘Tracker’ Season 4

Justin Hartley confirms Jensen Ackles will return to ‘Tracker’ Season 4, appearing in at least one episode and potentially more in the new year as the brothers reunite to help a friend in need.

2 sources. https://clstr.news/cluster/jensen-ackles-to-return-to-tracker-season-4

### 2026-09-14: Tracker Season 4 premiere details and cast updates

CBS has released preview images for the fourth season of ‘Tracker’, set to premiere October 4, featuring the return of Jensen Ackles and new cast members.

2 sources. https://clstr.news/cluster/tracker-season-4-premiere-details-and-cast-updates

### 2026-09-06: CBS series Tracker set to return for season four in October 2026

CBS’s ‘Tracker’ returns for season four on October 4, 2026, featuring Justin Hartley and new storylines exploring Colter Shaw’s personal life and potential romantic interests.

2 sources. https://clstr.news/cluster/cbs-series-tracker-set-to-return-for-season-four-in-october-2026

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Cite as: CBS series Tracker season four release. CLSTR, https://clstr.news/situations/cbs-series-tracker-season-four-release