Shark Week Season 2026 Episode 20 - Thresher Shark: Stun to Kill

Airdate: 2026-Aug-01

Episode summary:

The physics behind the thresher shark's devastating tail strike has long remained a mystery…until now. For the first time ever, the discovery of a shallow-water feeding ground has made observing this behavior possible. Now, shark scientist Dr. Craig O'Connell and marine biologist Aliah Banchik dive into the direct line of fire as they attempt to reveal exactly how these predators use their tails to stun and kill.

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 >