‘Below’ Teaser – Josh Hartnett Battles a Sea Creature on Netflix this OctoberBELOW. Josh Hartnett as Calvin in episode 101 of Below. Courtesy of Netflix© 2026Josh Hartnett is set to head Below for Netflix, where he’ll battle a sea creature. Today, the streamer has released the first teaser, giving us a look at the aquatic chills to come. The six-episode limited series follows dogged Newfoundland fisherman Calvin Penney (Hartnett) as he fights to protect his loved ones and preserve his disappearing vocation as a mysterious sea creature wreaks havoc upon the local community.