Title: Birds of a Feather 「同じ穴の狢」 (Onaji Ana no Mujina)
Japanese Date Aired: 19 September 2015
English Date Aired: 17 November 2015
Narrated by Erika Karisawa
Kadota is the victim of a hit-and-run… The rumor spreads like wildfire around Ikebukuro, and Togusa and Yumasaki set off to find the culprit. Shuji Niekawa, who's been running around trying to gather information on the Dollars, comes into contact with Shiki. Akabayashi, who’s hired Izaya to investigate Mikado, is about to make his next move. And Aoba, hoping to take the Dollars to the next level, sets his sights on a certain person.
adapted from what manga or LN chapter?
references to previous episodes?
In order of appearance (not including OP)