Season 3
10 episodes · first aired 2017-05-19
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Mother 2017-05-19 | In the apocalypse of 2163, a desperate Cole searches for Titan. Meanwhile, a captive Railly is faced with an impossible choice as the 12 Monkeys await the arrival of The Witness. | 2017-05-19 | 7.6 |
 | 02 | Guardians 2017-05-19 | While searching for Jennifer Goines in post-WWI France, Cole and Jones encounter a dangerous group of time- travelers - the Guardians. | 2017-05-19 | 7.3 |
 | 03 | Enemy 2017-05-19 | Bonds of trust are tested when Ramse returns to the facility with an old enemy held captive. How far will Cole and Jones go for the answers they need? | 2017-05-19 | 7.5 |
 | 04 | Brothers 2017-05-19 | Ramse and Cole splinter to 2007 expecting either a trap - or a final chance to kill The Witness. But when Cole discovers a heartbreaking truth, he’ll discover that the mission was both. | 2017-05-19 | 7.9 |
 | 05 | Causality 2017-05-20 | Out of time and in need of answers, Jennifer and Deacon are sent to 1989 to steal the a sacred document. Can Railly and Cole get to the Word first before it reveals the one secret they want kept? | 2017-05-20 | 7.8 |
 | 06 | Nature 2017-05-20 | In 1953, Cole and Railly reunite with Agent Gale at the birth of the Army of the 12 Monkeys. | 2017-05-20 | 7.9 |
 | 07 | Nurture 2017-05-20 | Cole and Railly find themselves at opposite ends of an unspeakable decision. Jones grows suspicious while Railly turns to an emotional ally for advice. All hell breaks loose during a massive fire-fight. | 2017-05-20 | 8.2 |
 | 08 | Masks 2017-05-21 | Former friends, now enemies, race to find the Witness in 1904, who, at last, reveals his face. | 2017-05-21 | 7.3 |
 | 09 | Thief 2017-05-21 | The reason why the Witness wants to destroy time and all reality is revealed. | 2017-05-21 | 8.4 |
 | 10 | Witness 2017-05-21 | The final battle with the Witness begins. | 2017-05-21 | 8.0 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.