| S04E01 |
The Bigfoot Files |
41 min |
| S04E02 |
UFO over the Andes, the Ohio Grassman, and Ancient Horn Mystery |
41 min |
| S04E03 |
Men in Black Calls, Old Kentucky Aliens, and Mysterious Eclipse |
41 min |
| S04E04 |
Orb & Crash Debris, KGB UFOs and Aliens, and Superhuman Reflexes |
41 min |
| S04E05 |
Beastly Howls, Holloman Air Force Base UFO, and the Cabin That Defies Gravity |
41 min |
| S04E06 |
Mystery Bird Monster, Ancient Alien Satellite, and Behemoth of the Sea Bottom |
41 min |
| S04E07 |
Caddy the Cadborosaurus, the Lubbock Lights, and Living Mummy |
41 min |
| S04E08 |
The UFO Files |
41 min |
| S04E09 |
Falcon 9 Mystery, Demonic Wall Climber and Leningrad Alien Fetus |
41 min |
| S04E10 |
Worm in the Sky, Skeletal Mystery Remains, and Thessaloniki Mystery Sounds |
41 min |
| S04E11 |
Spontaneous Human Combustion, the Tell-Tale Hum, and UFO Explosion |
41 min |
| S04E12 |
Teen UFO, Flying Dinosaur over Idaho, and Headless Goats |
41 min |
| S04E13 |
Swamp Beast Sighting, Martian Conspiracy, and Transparent Mexican Sea Monster |
41 min |
| S04E14 |
Wooly Mammoth Sighting, Ohio Bigfoot Howl, and Killer Robot |
41 min |
| S04E15 |
Classic UFO, Headless Zombie Fish, and Crying Virgin Mary |
41 min |
| S04E16 |
Honey Island Swamp Monster, Sphere Sightings, and Abominable Shark Killer |
41 min |
| S04E17 |
UFO Over Pakistan, Antarctic Dino-Whale, and Dead Bird Floating |
41 min |
| S04E18 |
Chupacabra Carcass, Alien Minerals, & Spawn of Nessie |
41 min |