Principia Video Guides - KSP-RO/RP-1 GitHub Wiki
WIP - Holding area for Principia related video content.
Scott Manley, 'Principia - Doing Gravity Properly' - https://youtu.be/eU-kLLeE7n0 (old but still relevant)
Abrin, 'Principia | Mun Lagrange Points L1 - L2' - https://youtu.be/LJbBPfXcNJg
Abrin, 'Principia | Mun Lagrange Point L4' - https://youtu.be/x98O9o4kLIc
Abrin, 'Principia |Minimus Lagrange Point L5' - https://youtu.be/4kbbdf_Nbsc
Maccollo, 'Principia shenanigans' - https://youtu.be/9Aq8nYL03Ts (the infamous square orbit)
Reach, (various amazing mission videos) - https://www.youtube.com/channel/UCImmNtzmW5B-5Cln9LBo9Gw
Kurgut, 'Principia | Tutorial | Kerbin-Mun Lagrange L4 and L5 points' - https://youtu.be/bSleUmTLXhk
Bob Labrek, 'Stock KSP Career w/ Principia' playlist - https://www.youtube.com/playlist?list=PLQKjqjNIqew0Yr6zkNQWB5DhzbuSrd_AM