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Home / Series / Project Blue Book / Absolute Order / Season 1 / Episode 20

Operation Mainbrace

Hynek and Quinn face the tremendous pressure of preventing possible third world war when a series of unidentified flying and submersible objects are discovered during a largescale naval exercise that takes place near Russian waters.

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  • Originally Aired March 24, 2020
  • Runtime 45 minutes
  • Content Rating United States of America TV-14
  • Network History
  • On Other Sites IMDB
  • Notes Is the series finale
  • Created May 8, 2020 by
    Administrator admin
  • Modified May 20, 2023 by
    Qumis
Name Type Role
David O'Leary Writer
Jack Rapke Executive Producer
Jacqueline Levine Executive Producer
Loni Peristere Director