Zoo 3×13 Promo “The Barrier” Season 3 Episode 13 Promo Season Finale

Zoo 3×13 “The Barrier” Season 3 Episode 13 Promo (Season Finale) – The team races to stop the hybrids from breaching the barrier wall by shutting down the last beacon that draws them in, on the third season finale of ZOO, Thursday, September 21st on CBS.