Tuna.com's Dave becomes obsessed with landing the biggest tuna of the season; Kevin tries to top his largest catch; and Ralph may need to give up a lucrative catch in order to help another boat that's in trouble.
Classification: Reality Genre: Educational | Family | How To/Do It Yourself | Sports | Outdoors/Wildlife Status: New Series Network: National Geographic Channel ( USA) Airs: Thursdays at 08:00 pm Runtime: 60 Minutes Premiere: November 29, 2012