Sezon 4
Bölümler
1 Mysterious Ancient Ruins 1 Nis 2022 
2 The Mystery of Genius 1 Nis 2022 
3 What Lies Below? 8 Nis 2022 
4 Secrets of Abandoned Places 15 Nis 2022 
5 Acts of God 22 Nis 2022 
6 Serial Killer Creatures 6 May 2022 
7 Mysterious Tombs 13 May 2022 
8 Uncanny Curses 20 May 2022 
9 Superhuman Feats 27 May 2022 
10 Mysteries of the Missing Link 3 Haz 2022 
11 Surviving the Impossible 10 Haz 2022 
12 The Search For King Arthur 24 Haz 2022 
13 Wonders of the Ancient World 7 Eki 2022 
14 The Hunt For Jack The Ripper 14 Eki 2022 
15 The Search for Extraterrestrial Life 21 Eki 2022 
16 Real Life Monsters 28 Eki 2022 
17 America's Lost Treasures 4 Kas 2022 
18 The Bermuda Triangle and the Beyond 18 Kas 2022 
19 Secrets of the Founding Fathers 25 Kas 2022 
20 The Weird Wild West 2 Ara 2022 
21 Devastating Disasters 9 Ara 2022 
22 Mysterious Monoliths 16 Ara 2022