Tough As Nails (Season 4)

Welcome to Catalina Island (Episode 1)

Air date: 2023-01-04

Runtime: 43 min

Overview: Host Phil Keoghan welcomes 12 new crew members to Catalina Island, off the coast of Southern California; competitors must build a concrete retaining wall for their first individual competition.

Perfect Symphony (Episode 2)

Air date: 2023-01-04

Runtime: 43 min

Overview: Part two of a special two hour season four premiere.

I Look Like Curious George (Episode 3)

Air date: 2023-01-11

Runtime: 43 min

Overview: Crew members visit a plant nursery where attention to detail is key when building a complex planter box in the individual challenge.

That's a Safety Hazard (Episode 4)

Air date: 2023-01-18

Runtime: 43 min

Overview: Diesel mechanic Quincey Walker guides the crews through a series of challenges that involve servicing automobiles.

Crush It! (Episode 5)

Air date: 2023-01-25

Runtime: 43 min

Overview: Savage Crew and Dirty Hands get tangled up in the team challenge when they must organize and load a 15,000-pound fishing net onto a boat.

Rise and Grind (Episode 6)

Air date: 2023-02-01

Runtime: 43 min

Overview: Crew members compete in pairs to shrink wrap a large container, with the last couple to finish facing the overtime challenge where one person will be eliminated from the individual competition.

Skills to Pay the Bills (Episode 7)

Air date: 2023-02-08

Runtime: 43 min

Overview: Season three competitor and carpenter Lamar Hanger returns to guide the crews through a series of construction challenges.

Pressure Is On (Episode 8)

Air date: 2023-02-15

Runtime: 44 min

This Is Not a Sprint, It’s a Marathon (Episode 9)

Air date: 2023-02-22

Runtime: 44 min

Keep Battling ‘til the End (Episode 10)

Air date: 2023-02-22

Runtime: 44 min