Pokémon HeartGold for the Nintendo DS was James' 7th Let's Play. The series ran from April 18th, 2014 to September 17th, 2014.
You can watch the series from the beginning by clicking here.
"The remakes to the 2nd generation and the first Pokémon LP I'm actually satisfied with!"
- The series icon featured above was created to match the current "JR" design, as with every series prior to Kirby: Planet Robobot