Finding good YouTube videos is a non-issue. There are more amazing sciency/educational channels than it is possible to watch.[1]
Just subscribe to the ones you like and go directly to https://www.youtube.com/feed/subscriptions
[1] for example:
3Blue1Brown
Beyond The Press
CGP Grey
Captain Disillusion
Cody’s Lab
Computerphile
EEVblog
EVNautilus
Electroboom
Engineering with Rosie
Evan and Katelyn
Everyday Astronaut
Half as Interesting
Huygens Optics
Jay Foreman
Kurzgesagt
Lockpicking Lawyer
Louis Rossman
Mark Rober
Matt Parker
NileBlue
NileRed
Numberphile
Periodic Videos
Physics Girl
PolyMatter
Practical Engineering
Real Engineering
Real Science
RealLifeLore
Simone Giertz
Skill Up
SmarterEveryDay
Stand-up Maths
SteveMould
Strange Parts
StuffMadeHere
Summer Rayne Oakes
Technology Connections
Tom Scott
Two Minute Papers
Veritasium
Vihart
Vsauce
Wendover Productions