>>36374495https://youtu.be/UmduKl5RirMThere's a ton of these, and they're all pretty good. They go over a Pokémon's competitive viability throughout the generations.
https://www.youtube.com/playlist?list=PL058A987A681F8200This is Werster's playlist of all his Pokémon speedruns. His Gen 4 runs are fun to watch, and he managed to do an All Gold Symbols run of Emerald - which is really just incredible.
https://youtu.be/O-1iQqO43koThis is Vinesauce Vinny breaking Emerald. I thought it was good. And I know you said no LPs, so I won't link it here, but Vinny also played through Pokémon Moon when it first released. There's a playlist on one of the channels that has his entire playthrough.