Season 1 Episode 5 episode 5 Boardwalk Empire Episode 5 "Nights In Ballygran" Promo 10.11.2010. @ 12:04 NatashaFine Atlantic City is swimming in bootlegged alcohol, prohibition be damned! HBO has done it again with this fabulous new series. Here is the promo for the next installment of "Boardwalk Empire", entitled "Nights In Ballygran". Special thanks to Distinctive2011.