Update 2.0.0: This script now works on both Classic and Material Youtube!Update 2.0.1: Fixed: Search r###lts were in reversed order (Classic Youtube only).Update 2.0.2: Fixed unexpected end of JSON input error (Material Youtube only).

Note: Doesn't work with Material Youtube (yet)! (Script to automatically restore classic youtube)

If you also want to be able to create a queue with videos to play after your current video has finished, you can use Youtube Play Next Queue.