Rocketing into the new millennium in the eight years since season three, Happy Valley has rapidly expanded its footprint on Mars by turning former foes into partners. Now 2003, the focus of the space program has turned to the capture and mining of extremely valuable, mineral-rich asteroids that could change the future of both Earth and Mars. But simmering tensions between the residents of the now-sprawling international base threaten to undo everything they are working towards.

In the heart of London, an anonymous phone call draws two brilliant detectives—a young woman in the early stages of her career and a well-connected man determined to protect his legacy—into a fight to correct an old miscarriage of justice.

During World War II, airmen risk their lives with the 100th Bomb Group, a brotherhood forged by courage, loss, and triumph.

Welcome to Sagoville, where Harvey loves to play and discover ways to have silly fun! He and his closest friends explore, imagine, and express true thankfulness for all things, big and small, through creative adventures and unforgettable songs.

Season two picks up with the fate of Monarch — and the world — hanging in the balance. Buried secrets are revealed that reunite our heroes (and villains) on Kong's Skull Island, and a new, mysterious village where a mythical Titan rises from the sea. The ripple effects of the past make waves in the present day, blurring the bonds between family, friend and foe — all with the threat of a Titan event on the horizon.