When assembling the Suicide Squad in the prison, pay attention for a "cameo" by Dr. Harleen Quinzel, aka "Harley Quinn" who offers her service as a therapist to Diggle and Lyla.
Amanda Waller said that the hydroxy-cyclosaran nerve agent was manufactured in Khandaq. Khandaq is a fictional middle-eastern country in the DC universe ruled by villain/anti-hero, Black Adam.
First episode to show flashbacks to Diggle's past.
Second episode to not feature any flashbacks to the island.
Michael Jai White, who portrays Bronze Tiger, previously played Gambol in Christopher Nolan's The Dark Knight (2008) which was also a character in DC Comics.