Title: It Takes a Thief to Catch a Thief 「蛇の道は蛇」 (Jya no Michi wa Hebi)
Japanese Date Aired: 26 September 2015
English Date Aired: 24 November 2015
Narrated by Haruya Shiki
Mikado continues his purge of the Dollars in an attempt to realize his ideals. This escalates into a clash with the Yellow Scarves. Izaya goes after Yodogiri, the man who stabbed him, but there’s something unexpected behind it all that even Izaya couldn’t have foreseen. What lies beyond the numerous uproars cropping up all over Ikebukuro? Various incidents intersect, and the story plunges ever deeper into further chaos!
adapted from what manga or LN chapter?
references to previous episodes?
In order of appearance (not including OP)