Watch Full Episodes (288)
- S46 E23: Animal EspionageAir Date 11/27/20190:53:29
- Expires in 12 daysS46 E22: The Violence ParadoxAir Date 11/20/20191:53:22
- Expires in 4 daysS46 E21: Decoding da VinciAir Date 11/13/20190:53:41
- SIGN IN TO WATCHS46 E20: Dead Sea Scroll DetectivesAir Date 11/6/20190:53:25
- S46 E17: Rise of the MammalsAir Date 10/30/20190:53:17
- SIGN IN TO WATCHS46 E19: Look Who's DrivingAir Date 10/23/20190:53:21
- SIGN IN TO WATCHS46 E18: Why Bridges CollapseAir Date 10/16/20190:53:09
- SIGN IN TO WATCHS46 E16: The Planets: Ice WorldsAir Date 8/14/20190:52:48
- SIGN IN TO WATCHS46 E15: The Planets: SaturnAir Date 8/7/20190:53:24
- SIGN IN TO WATCHS46 E14: The Planets: JupiterAir Date 7/31/20190:53:18
- SIGN IN TO WATCHS46 E13: The Planets: MarsAir Date 7/24/20190:53:54
- SIGN IN TO WATCHS46 E12: The Planets: Inner WorldsAir Date 7/24/20190:53:54
- SIGN IN TO WATCHS46 E11: Back to the MoonAir Date 7/10/20190:53:39
- SIGN IN TO WATCHS46 E10: Lost Viking ArmyAir Date 5/22/20190:53:09
- SIGN IN TO WATCHS46 E9: First Horse WarriorsAir Date 5/15/20190:53:09
- SIGN IN TO WATCHS46 E8: Inside the MegafireAir Date 5/8/20190:53:16
- SIGN IN TO WATCHS46 E7: Saving the Dead SeaAir Date 4/24/20190:53:15
- SIGN IN TO WATCHS46 E6: The Next PompeiiAir Date 2/20/20190:53:10
- SIGN IN TO WATCHS46 E5: Rise of the RocketsAir Date 2/13/20190:53:42
- SIGN IN TO WATCHS46 E4: Decoding the Great PyramidAir Date 2/6/20190:53:44
- SIGN IN TO WATCHS46 E3: Kīlauea: Hawaiʻi on FireAir Date 1/23/20190:53:21