First cousins Stephen Amell (Arrow) and Robbie Amell (Firestorm) appear together for the first time on TV.
Every 6th episode after episode 4 has featured Rogues.
Leonard Snart, a.k.a. Captain Cold, orders an ice-cold drink while the jukebox plays Foreigner's "Cold As Ice."
Second time Peyton List and Robbie Amell appear together after the TV series The Tomorrow People (2013).