The Harrises return to 10,000 B.C., determined to upload a virus that will stop all sinkholes, despite knowing that this will mean they will never get home again; an unlikely leader rallies the clearing to face an oncoming prehistoric threat.
Episode rating
Cast of episode
59
26
6
4
2
1
1
1
1
- Gavin Harris
- Lucas Hayes
- Eve Harris
- Scott Israni
- Izzy Harris
- Riley Velez
- Ella Jones
- Ty Coleman
- Sam Velez
- Josh Harris
- Veronica Castillo
- Paara
- Dr. Caroline Clark
- James Mallet
- Kira
- Judah
- Virgil
- Wyatt