| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S2025E01 | The Frobenius Problem (and numerical semigroups) |
January 10, 2025
YouTube
|
19 | |
| S2025E02 | The Snakey Hexomino (unsolved Tic-Tac-Toe problem) |
January 20, 2025
YouTube
|
11 | |
| S2025E03 | The Slightly Bungled Mersenne Prime Origin Story |
January 26, 2025
YouTube
|
3 | |
| S2025E04 | Shakespeare, Numbers, and Chronograms |
February 5, 2025
YouTube
|
11 | |
| S2025E05 | A Magic Square Breakthrough |
February 9, 2025
YouTube
|
17 | |
| S2025E06 | A 1.58-Dimensional Object |
March 7, 2025
YouTube
|
20 | |
| S2025E07 | The Hyper Moser (and other Mega Numbers) |
March 14, 2025
YouTube
|
23 | |
| S2025E08 | The World's LONGEST Klein Bottle |
April 11, 2025
YouTube
|
7 | |
| S2025E09 | The Tea Lady Experiment |
April 15, 2025
YouTube
|
17 | |
| S2025E10 | Cardioids in Coffee Cups |
April 20, 2025
YouTube
|
22 | |
| S2025E11 | A Problem with Infinite Hotel Keys |
May 16, 2025
YouTube
|
18 | |
| S2025E12 | A simple equation that behaves weirdly |
June 17, 2025
YouTube
|
11 | |
| S2025E13 | The 9-sided Enneahedron |
June 22, 2025
YouTube
|
13 | |
| S2025E14 | The Stein Paradox |
July 2, 2025
YouTube
|
21 | |
| S2025E15 | The Big Daddy of Infinite Integrals |
July 9, 2025
YouTube
|
21 | |
| S2025E16 | The Mind-Blowing Base 13 Function |
July 22, 2025
YouTube
|
15 | |
| S2025E17 | Treasure Trove (Zeeman Medal Lecture by Brady Haran) |
July 27, 2025
YouTube
|
43 | |
| S2025E18 | The Holey Monster (with 934 faces) |
July 31, 2025
YouTube
|
20 | |
| S2025E19 | Immense Subcubic Graphic Numbers |
August 21, 2025
YouTube
|
17 | |
| S2025E20 | Lord of the Commutative Rings |
September 10, 2025
YouTube
|
32 | |
| S2025E21 | The Joy of Harshad Numbers |
September 24, 2025
YouTube
|
17 | |
| S2025E22 | The Secret of the Raffle Function (epic proof) |
October 2, 2025
YouTube
|
80 | |
| S2025E23 | The Anti-Knight Killer Sudoku |
October 15, 2025
YouTube
|
16 | |
| S2025E24 | Ordinal Numbers |
October 22, 2025
YouTube
|
12 | |
| S2025E25 | Schur Numbers (the world's biggest proof) |
November 3, 2025
YouTube
|
17 | |
| S2025E26 | The Real Story of Calculus |
November 10, 2025
YouTube
|
14 | |
| S2025E27 | Return of the Calculator Unboxing |
November 19, 2025
YouTube
|
9 | |
| S2025E28 | The Graph Reconstruction Conjecture |
November 27, 2025
YouTube
|
25 | |
| S2025E29 | Polyominoes on Chessboards |
December 1, 2025
YouTube
|
13 | |
| S2025E30 | Closer Look at the Birthday Paradox |
December 6, 2025
YouTube
|
17 | |
| S2025E31 | 100000001 is divisible by 17 |
December 9, 2025
YouTube
|
23 | |
| S2025E32 | A New Way to Look at Möbius Strips |
December 14, 2025
YouTube
|
12 | |
| S2025E33 | Why 6-7 are a Perfectly Super |
December 22, 2025
YouTube
|
11 | |
| S2025E34 | Almost Interesting Facts about 6-7 |
December 22, 2025
YouTube
|
12 |
No artwork of this type.
No artwork of this type.
No artwork of this type.