What I think are underrated channels, alreayd listed channels removed. Some have irregular schedules but still worth checking out.
Animals
- Cal Falcons: live stream of a falcon nest on a rooftop
- Deep Look: small world biology (PBS)
- Journey to Microcosmos: smaller world biology (Hank Green)
- Saveafox: domestic fox rescue
Science/Tech
- Captain Dissilusion: video editing vs disinformation
- Cody's Lab: currently building a "Mars" habitat
- The Friday Checkout: weekly tech highlights
Music
- CSGuitars: electric guitar science
- First of October (Andrew Huang, Rob Scallon): very constrained songwriting
- Rhythm in Africa: sub-Saharan instruments
- Wataru Kousaka: Japanese instruments
Pop culture
- Game Changer: improv comedy as a game show (CollegeHumor)
- Overanalyzing Avatar: "This man is dead. Appa killed a man"
- Solid jj: voiced superhero comic parodies
History
- Jay Foreman: British culture and/or maps
- Lateral with Tom Scott: lateral thinking puzzle as a podcast
- Objectivity: very interesting objects (Brady Haran)
- Sam O'Nella Academy: badly researched and animated trivia satire
Just because you can break some laws of physics, doesn't mean you break all laws of physics.