In season one, two siblings look to uncover their family's connection to the secretive organization known as Monarch. Clues lead them into the world of monsters and ultimately down the rabbit hole to Army officer Lee Shaw, taking place in the 1950s and half a century later where Monarch is threatened by what Shaw knows.
Episode 1
Cate travels to Japan to get answers about her father and uncovers a shocking secret. Keiko, Lee, and Billy pursue a theory about Titans.
Episode 2
Monarch closes in on Cate, Kentaro, and May as they try to track down a key individual. Keiko, Lee, and Billy stumble on a major find.
Episode 3
Shaw leads the team on a dangerous mission to Alaska in search of Hiroshi. Keiko, Lee, and Billy present their findings to General Puckett.
Episode 4
The team is left stranded in the frozen tundra after a narrow escape. Kentaro reflects on his relationships.
Episode 5
Cate's painful memories of G-Day come flooding back as she treks through the ruins of San Francisco with Kentaro and May.
Episode 6
Shaw finds an unlikely ally within Monarch as the team has a harrowing run-in. Keiko and Lee grow closer while at a military ball.
Episode 7
May finally faces her past. Duvall and Shaw follow traces of Godzilla and Hiroshi.
Episode 8
The team goes back to where things all began to confront Shaw. On the brink of collapse, Monarch takes drastic measures.
Episode 9
Shaw and May search for Cate and make a startling discovery. Kentaro struggles with his loss.
Episode 10
The team struggles to find a way out of Axis Mundi. Kentaro and Tim make an unexpected alliance.