Riddles
- The Infinite Hotel Paradox
- Riddle of the Four Cards
- The Thomas Beale Cipher
- The Monty Hall Problem demonstrated with visuals
- Riddle of the Toys
- Boy Born on a Tuesday
- For the Love of Nonsense
- Riddle of the Table of Three
- Symmetry: Reality’s Riddle
- Erin solving the U2 Riddle
- An unannounced open-book quiz
