CGP Grey and Brady Haran talk about YouTube, life, work, whatever.
| Title | Date published | ||
| H.I. #127: Very Hello Internet | 2019-07-31 | ||
| H.I. #126: Team Woo Woo | 2019-07-27 | ||
| H.I. #125: The Spice Must Flow | 2019-06-30 | ||
| H.I. #124: Double High Five | 2019-05-27 | ||
| H.I. #123: Pop Quiz | 2019-04-30 | ||
| HI #122: Wax Cylinders | 2019-04-24 | ||
| HI #121: Mr Speaker | 2019-03-31 | ||
| H.I. #120: Battle Tested | 2019-03-14 | ||
| H.I. #119: Hit The Holler Horn | 2019-02-28 | ||
| H.I. #118: Dinosaurs Attack! | 2019-02-26 | ||
| H.I. #117: Bandersnatch | 2019-01-30 | ||
| Twelve Drummers Drumming | 2019-01-05 | ||
| Eleven Pipers Piping | 2019-01-04 | ||
| Ten Lords A-leaping | 2019-01-03 | ||
| Nine Ladies Dancing | 2019-01-02 | ||
| Eight Maids A-Milking | 2019-01-01 | ||
| Seven Swans A-Swimming | 2018-12-31 | ||
| Six Geese A-laying | 2018-12-30 | ||
| Five Gold Rings | 2018-12-29 | ||
| Four Calling Birds | 2018-12-28 |