The crew of the Pin Wheel hook-up dangerously close to the US-Canada border.
(02:34)Dot Com struggles to start their season right, while the Pin Wheel hopes to hook their second Tuna.
(01:46)Tyler and the Pin Wheel poke the bear with a practical joke on the Dot Com, then add insult to injury anchoring up next to him.
(03:14)Dot Com hooks up a big boy while Pin Wheel breaks through the clutter and tries to extend their lead.
(02:39)DotCom faces off against another strong fish while the boys on the Hot Tuna fight the clock to pull in a huge tuna.
(02:59)A team of Nat Geo remote imaging engineers attempt to deploy crittercams on Great White Sharks.
(02:49)Travel to a land immersed in beauty but rarely seen by its thousands of holidaymakers.
(01:01)In a picturesque Mexican seaside town, a shark is about to surprise a lone surfer.
(03:02)A Molasses spill off the coast of Oahu brings sharks to the smell of the dead fish.
(03:08)Kyle and Karl attempt to fix the big rock truck using the blade of a bulldozer on Sulphur Creek.
(02:22)Karl rushes to finish the season by sluicing pay dirt along the creek bank.
(01:02)A seal pup and its mother brave the rough shores of the Scottish coast.
(02:50)Conservationist Mike Fay and his team travel along the Gabon coastline to document the need for preservation of its marine life.
(02:42)Scientists exploring Puerto Rico's trenches discover volcanic rock formations deep underwater.
(02:55)In the Florida swamps, the gator reigns supreme.
(02:54)A giant anteater gets its fill of termites before their tiny bites become overwhelming.
(02:09)This bird puts on a quite a display for its potential mates.
(01:59)Dr. Michelle Oakley is chasing down a Muskox to check his health. But the angry animal doesn't want to cooperate.
(02:51)Dr. Oakley, daughter Willow and American Eagle Foundation employee Brian try to take blood from a young Eurasian Eagle Owl.
(02:13)A feral cat makes a daring escape when Dr. Oakley tries to vaccinate him.
(02:34)