 | DEC-11. Lights! (Explaining Hanukkah & How Candles Work) | 20:15 |
 | NOV-12. The Neuroscience of Bad Guys & Superheroes! | 19:57 |
 | NOV-04. Playing Bad Guys! | 16:56 |
 | OCT-08. Disguises! (Halloween!) | 31:32 |
 | SEP-24. What's a Muppet? (Happy Birthday, Jim Henson!) | 05:57 |
 | SEP-18. Pirates! (Talk Like a Pirate Day!) | 19:29 |
 | AUG-27. Treats! | 27:14 |
 | AUG-20. Keys! | 21:59 |
 | AUG-06. Cartoons! | 21:57 |
 | JUL-23. Soap & Thought Bubbles! | 18:58 |
 | JUL-16. Bells & Blindness! | 28:04 |
 | JUL-09. Happy Birthday, Ear Snacks! | 23:33 |
 | JUL-02. Fruit! | 18:50 |
 | JUN-25. Aquairums! | 21:36 |
 | JUN-18. Juneteenth! | 33:43 |
 | JUN-11. Fiddle Around! | 21:30 |
 | JUN-04. What's a Mustache? | 19:34 |
 | DEC-27. Comfort & Joy Playlist! (Winter Break remix) | 28:11 |
 | DEC-26. Boxing Day! (Winter Break remix) | 19:22 |
 | DEC-25. Hanukkah & How Candles Work (Winter Break remix) | 20:46 |
 | DEC-24. Bioluminescence! (Winter Break remix) | 24:08 |
 | DEC-23. Homemade Instruments for the Holidays! (Winter Break mixtape) | 24:50 |
 | OCT-02. Sing with Andrew & Polly at Austin City Limits! | 01:46 |
 | MAY-29. Songs About Rainbows | 25:38 |
 | APR-18. A World of Bugs! (Earth Week remix) | 25:34 |