Ancient Aliens — Season 21

Episodes

• E1 The Top Ten Extraordinary Discoveries2025-02-077.4Trakt
• E2 The Top Ten Mysterious Monoliths2025-02-14—Trakt
• E3 The Top Ten UFO Crashes2025-02-217.4Trakt
• E4 The Top Ten Unexplained Technologies2025-02-287.1Trakt
• E5 The Top Ten Secret Projects2025-03-077.3Trakt
• E6 The Top Ten Mysterious Mountains2025-03-147.2Trakt
• E7 Mysteries of the Aztecs2025-03-217.5Trakt
• E8 The Glowing Orb Phenomenon2025-03-287.5Trakt
• E9 The Legacy of J. Allen Hynek2025-08-297.7Trakt
• E10 The Volcano Factor2025-09-057.6Trakt
• E11 The Birdman Mystery2025-09-12—Trakt
• E12 The Abduction Files2025-09-197.5Trakt
• E13 The Giants2025-10-02—Trakt
• E14 Aliens In Our Midst2025-10-097.7Trakt
• E15 Britain's UFO Files2025-10-16—Trakt
• E16 Mysteries Of The Norse Gods2025-10-23—Trakt
• E17 Secrets of Japan2025-11-06—Trakt
• E18 Episode 18—Trakt
• E19 Episode 19—
• E20 Episode 20—