Swallowed up by a gigantic sinkhole that suddenly appears at Los Angeles La Brea Tar Pits a group of disparate people are somehow transported to a perilous prehistoric realm. Can these strangers band together to find their way home and discover the truth behind this remarkable occurrence all as the fate of one family hangs in the balance? Debuting on NBC in 2021 this sci-fi/drama series stars Natalie Zea Eoin Macken Chiké Okonkwo Karina Logue.10 episodes on 2 discs. 7 hrs. Widescreen (Enhanced); Soundtrack: English Dolby Digital 5.1; Subtitles: English (SDH); featurette.