12 Monkeys Season 4 “End Of An Era” Teaser Promo Final Season

In 12 Monkeys Season 4, James Cole (Aaron Stanford) and Dr. Cassandra Railly (Amanda Schull) set out on an epic quest, traveling further back in time than they have ever been before. According to legend, their only hope lies with a weapon capable of stopping the Witness for good. But they’ll soon discover that in order to win the final battle and save time itself, they will have to make the ultimate sacrifice.