This episode has a great message to all the smokers in the world and focuses in the friendship that Earl and Donnie's mother create thanks to their fight against tobacco. This time the flashbacks are great, when we see how Earl committed the crime is great, and the gags are just hilarious. Randy is just fun, especially with the reference to Darth Vader. The music is great with "Smoke! Smoke! Smoke! (That Cigarette)" that is perfect for the episode.
Conclusion: this is a terrific episode; we can say that this is the first one of the series because the previous was just the pilot so is a terrific start. 9 out of 10