Shark Week Season 2026 Episode 9 - Chum Island: Catching a Killer

Airdate: 2026-Jul-28

Episode summary:

In this Shark Week whodunnit, a rare surge of highly aggressive shark attacks hit a tight-knit community off Australia's southern coast, prompting marine biologist Dr. Riley Elliott to find and tag the oceanic suspects. But when he discovers this could be a new, elusive population of sharks, he builds the world's first "chum island" to lure them in and uncover if they are the ones responsible for the attacks.

About Shark Week series:

Every year The Discovery Channel dedicates a full week to sharks, this includes newly made specials each year all featuring sharks and investigatio...Show more >