The Best Episodes Directed by Rian Johnson
#1 - Ozymandias
Breaking Bad Season 5 - Episode 14
Everyone copes with radically changed circumstances.
9.03 
#2 - Manifest Destiny
Terriers Season 1 - Episode 5
Hank and Britt deal with the widening scope of the Lindus conspiracy as they try to avoid the rap for a murder they (technically) didn't commit.
8.18 
#3 - Fifty-One
Breaking Bad Season 5 - Episode 4
Walt celebrates another birthday. Skyler considers her options. An associate complicates Walt and Jesse's plan.
8.08 
#4 - Fly
Breaking Bad Season 3 - Episode 10
Walt becomes obsessed with a contaminant in the lab and refuses to finish the cook until it is eliminated. A frustrated Jesse attempts to get Walt back on track.
7.33