Pokémon LeafGreen for the Gameboy Advance was James' 3rd Let's Play. The series ran from June 28th, 2013 to January 15th, 2014.
You can watch the series from the beginning by clicking here.
"The first games in one of my favorite series got remade, but maybe this LP should get remade instead..."
- The series icon featured above was created to match the current "JR" design, as with every series prior to Kirby: Planet Robobot