Season 49
Episodes
1 Arctic Sinkholes Feb 2, 2022 
2 Secrets in the Scat Feb 9, 2022 
3 Great Mammoth Mystery Feb 16, 2022 
4 Augmented Feb 23, 2022 
5 Determined: Fighting Alzheimer's Apr 6, 2022 
6 Dinosaur Apocalypse: The New Evidence May 11, 2022 
7 Dinosaur Apocalypse: The Last Day May 11, 2022 
8 Why Ships Crash May 18, 2022 
9 Ice Age Footprints May 25, 2022 
10 Ultimate Space Telescope Jul 13, 2022 
11 Saving Venice Sep 28, 2022 
12 Ending HIV in America Oct 5, 2022 
13 Computers v. Crime Oct 12, 2022 
14 Can Psychedelics Cure? Oct 19, 2022 
15 Ocean Invaders Oct 26, 2022 
16 Nazca Desert Mystery Nov 2, 2022 
17 Crypto Decoded Nov 9, 2022 
18 Zero to Infinity Nov 16, 2022 
19 Rebuilding Notre Dame Dec 14, 2022