1. Doodling in Math Class: DRAGONS

  2. Twelve Tones

  3. Sound Braid

  4. How to Draw a Perfect Circle

  5. 5 Reasons We Like 5 Reasons Videos

  6. Reel

  7. Singing Pi-Gram

  8. Folding Space-Time

  9. Vi Hart's Guide to Comments

  10. Sphereflakes

  11. Snowflakes, Starflakes, and Swirlflakes

  12. Thanksgiving Turduckenen-duckenen

  13. Borromean Onion Rings

  14. Green Bean Matherole

  15. Optimal Potatoes

  16. Scary Sierpinski Skull Time

  17. Flex Mex

  18. Hexaflexagon Safety Guide

  19. Hexaflexagons 2

  20. Hexaflexagons

  21. Doodling in Math Class: Connecting Dots

  22. Dialogue for 2

  23. They Became What They Beheld: Medium, Message, Youtubery

  24. How To Make A Video About How To Make A Video About How To Make A Video About How To Make a Video...

  25. Sonnet on a Higgs-Like Particle

  26. A Song About A Circle Constant

  27. What was up with Pythagoras?

  28. Doodle Music

  29. Rhapsody on the Proof of Pi = 4

  30. Why Every Proof that .999... = 1 is Wrong

  31. 9.999... reasons that .999... = 1

  32. Two Non-Repeating Non-Normal Numbers (re: Pi and Shakespeare)

  33. Are Shakespeare's Plays Encoded within Pi?

  34. Fractal Fractions

  35. Wau: The Most Amazing, Ancient, and Singular Number

  36. Math Improv: Fruit by the Foot

  37. Angle-a-trons

  38. Open Letter to Nickelodeon, Re: SpongeBob's Pineapple under the Sea

  39. Doodling in Math: Spirals, Fibonacci, and Being a Plant [Part 3 of 3]

  40. Doodling in Math Class: Spirals, Fibonacci, and Being a Plant [2 of 3]

  41. Announcement: Vi Hart and Khan Academy Join Forces!

  42. Doodling in Math: Spirals, Fibonacci, and Being a Plant [1 of 3]

  43. Doodling in Math Class: Triangle Party

  44. Low-Frequency Blues

  45. What is up with Noises? (The Science and Mathematics of Sound, Frequency, and Pitch)

  46. Doodling in Math Class: Squiggle Inception

  47. Origami Proof of the Pythagorean Theorem

  48. Stop-Motion Sillyband Fight

  49. Re: Visual Multiplication and 48/2(9+3)

  50. Binary Hand Dance

  51. Oh No, Pi Politics Again

  52. Pi Is (still) Wrong.

  53. How To Snakes

  54. Hourglass Racing

  55. Wind and Mr. Ug

  56. Snow Day: You're a Linkage!

  57. Hyperbolic Planes Take Off!

  58. The Gauss Christmath Special

  59. Doodling in Math: Sick Number Games

  60. How to eat Candy Buttons like a Recreational Mathemusician

  61. Doodling in Math Class: Infinity Elephants

  62. Doodling in Math Class: Snakes + Graphs

  63. Doodling in Math Class: Stars

  64. Doodling in Math Class: Binary Trees

  65. Burning Paper Instruments - Last Quintet

  66. Harry Potter Septet: Filth, Mudbloods, Scum!

  67. Pachelbel's Music Box Canon in D

  68. Möbius Music Box

  69. Harry Potter Septet: His Eyes are as Green as a Fresh Pickled Toad

  70. The Sound of Paper: Paper Didgeriduel

  71. The Sound of Paper: Paper Storm

  72. Burning Paper Instruments: Autorequiem for Tube Harp