Season 4
6 episodes · first aired 2015-09-04
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Lost Hours 2015-09-04 | Kiera, injured during her and Brad's escape from the future soldiers, has a renewed desire to return to her son in the future. Brad reunites with the future soldiers in a bid to gain their trust and work from the inside. Alec gets revenge on Kellog by hacking into Piron which causes unexpected consequences and revelations. | 2015-09-04 | 7.0 |
 | 02 | Rush Hour 2015-09-11 | Kellog uses Alec's weakness against him. Kiera tries to negotiate. Alec sets out on his own to try to save Emily. | 2015-09-11 | 7.5 |
 | 03 | Power Hour 2015-09-18 | Alec joins Carlos and the VPD. Kiera and Garza form an alliance. | 2015-09-18 | 7.2 |
 | 04 | Zero Hour 2015-09-25 | Kiera and Brad's trust reaches a breaking point. Carlos and Kellog come to their own realizations; Alec has a strange encounter. | 2015-09-25 | 7.7 |
 | 05 | The Desperate Hours 2015-10-02 | Kiera pressures Carlos for more time. Kellog faces unexpected danger. The future soldiers plan a raid. | 2015-10-02 | 7.9 |
 | 06 | Final Hour 2015-10-09 | Kiera and Alec risk everything to stop the future soldiers. | 2015-10-09 | 7.6 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.