Chubby: https://www.youtube.com/watch?v=PqItueBaiRg
Anything Leslie Lamport: https://www.youtube.com/watch?v=-4Yp3j_jk8Q
https://www.youtube.com/watch?v=kYX6UrY_ooA
Also the Distributed system course at MIT is fantastic. The labs are also great way to get your hands dirty with distributed system. The link to the class schedule is here: https://pdos.csail.mit.edu/6.824/schedule.html