Project Blue Book (2019– ) Episode List. Watch later WATCH FULL EPISODES ∣ Project Blue Book Season 2 Episode 5 “HDTV” ♡ Get new episodes Project Blue Book 2X5 Now | Project Blue Book S2E5… Project Blue Book Project Blue Book 2X5 Project Blue Book S2E5 Project Blue Book Cast Project Blue Book x Flixfirst Project Blue Book History Project Blue Book Eps. Project Blue Book - Season 2 watch online for free in HD quality with English subtitles. Sign in to like videos, comment, and subscribe. Get exclusive videos, pictures, bios and check out more of your favorite moments from seasons past. The alien invasion isn't ending yet for History's Project Blue Book, which will return for Season 2. Current Episode (aired 24 Mar. Like the show’s first season, Season 2 will feature 10 episodes. UFOs and USOs begin plaguing a massive naval exercise on the border of Russian waters, and Hynek and Quinn soon realize it's up to them to stop a rogue Admiral from starting World War III. Watch Project Blue Book - Season 2 online without registration in HD on 123movies for free. Click here for details on the schedule. Catch up on season 2 of Project Blue Book, only on HISTORY'. Project Blue Book Season 2 Cast. 'Project Blue Book' season 2: Release date, cast, plot, news, and all you need to know about History's UFO drama. Sign in. 2020) Operation Mainbrace. With season 2 under production, there's a lot of speculation about where Dr. J Allen Hynek's story goes after he chooses deceit as his ally in the debut season's finale Minimal advertising and High quality video. "Project Blue Book" Season 2 premieres Tuesday, January 21, 2020 at 10 p.m. EST/9 p.m. CST on the History Channel.