- What If You Lived in Ancient Rome?
- What If Columbus Never Discovered America?
- What If Trump Didn't Quit After Losing?
- What If the Solar System Orbited a Black Hole?
- Discussed: What If Our Solar System Orbited a Black Hole? - with Pr. Johnson | Episode 19
- What If Bats Were the Size of Humans?
- What If You Fell Into a Pool of Aerogel?
- What If You Stopped Brushing Your Teeth?
- What If the Arctic Turned Into a Megaslump?
- Discussed: What If We Were on Lockdown for the Entire Winter? - with Dr. Norman E. Rosenthal
- What If You Were Attacked by a Giant Squid?