

Season 1
A new threat will surface.
Synopsis
Monarch: Legacy of Monsters Season 1 is a ten-episode Apple TV+ thriller you can watch online on iFILM — a family mystery and a decades-long conspiracy told across two separate timelines.
Cate flies to Tokyo after the San Francisco Godzilla attack and learns her father had a double life: a second family, a half-brother named Kentaro she never knew existed. She, Kentaro, and analyst May start pulling the thread and land on Monarch, a classified organization that has tracked giant creatures since the atomic age. The search bends backward to the 1950s, where Army officer Lee Shaw, scientist Keiko, and their partner Billy are running Monarch's earliest operations and discovering exactly what the organization plans to bury from the rest of the world.
In the present, the same Lee Shaw — Kurt Russell, with Wyatt Russell playing the younger version — sits under arrest carrying knowledge that could collapse Monarch entirely. The two timelines interlock cleanly: each era sharpens the stakes in the other, rather than just slowing things down. Stream Monarch: Legacy of Monsters Season 1 — all episodes — online on iFILM.
10 episodes
S1·E1Aftermath
Cate travels to Japan to get answers about her father and uncovers a shocking secret. Keiko, Lee, and Billy pursue a theory about Titans.
S1·E2Departure
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.
S1·E3Secrets and Lies
Shaw leads the team on a dangerous mission to Alaska in search of Hiroshi. Keiko, Lee, and Billy present their findings to General Puckett.
S1·E4Parallels and Interiors
The team is left stranded in the frozen tundra after a narrow escape. Kentaro reflects on his relationships.
S1·E5The Way Out
Cate's painful memories of G-Day come flooding back as she treks through the ruins of San Francisco with Kentaro and May.
S1·E6Terrifying Miracles
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.
S1·E7Will the Real May Please Stand Up?
May finally faces her past. Duvall and Shaw follow traces of Godzilla and Hiroshi.
S1·E8Birthright
The team goes back to where things all began to confront Shaw. On the brink of collapse, Monarch takes drastic measures.
S1·E9Axis Mundi
Shaw and May search for Cate and make a startling discovery. Kentaro struggles with his loss.
S1·E10Beyond Logic
The team struggles to find a way out of Axis Mundi. Kentaro and Tim make an unexpected alliance.
2 seasons
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