Season Five

Back in 2008 when we last worked with Tiger sharks, things were different. We were thrilled just to be in the water with Tiger sharks and no cage. But in the past few years, interactions with Tiger sharks have become much more engaging. Now the sharks are being hand fed and handled by divers. In this exciting segment, Jonathan learns how to flip a Tiger shark from experienced shark handlers Connor Cassidy and Rich D'Argento aboard the Dolphin Dream.

In this spectacular episode, Jonathan joins world-renown cave explorer Brian Kakuk to investigate the Crystal Cave of Abaco, Bahamas--considered the most highly-ornamented underwater cave in the world! The stunning crystal formations in this cave are simply stunning! It is considered one of the top cave diving destinations in the world.

Diving around a sandy, muddy, or rubbly sea floor is often called "muck" diving--even though there is rarely any actual muck. There are all kinds of unique and interesting animals that live in this habitat. Jonathan joins muck expert Jeff Nelson to visit a world-renown muck diving site under the Blue Heron Bridge in Riviera Beach, Florida to find all kinds of weird and outlandish animals like sea horses, octopuses (octopods!), Batfish, snake eels, sea hares, and stingrays. But his main interest is finding a jawfish with eggs. You won't believe how the male jawfish guards his eggs!

In this exciting Blue World adventure, Jonathan travels up to Iceland in search of a dive site called Silfra which supposedly has the clearest water in the world! But it's cold!

Books and magazines often say that Tiger sharks will eat anything. They have been referred to as the "Garbage cans of the ocean." Multiple references have been made to them eating license plates of all things. In this exciting episode, Jonathan goes out to the Bahamas to see if a Tiger shark will eat a GoPro camera. Then he tries to put a camera on a shark and turn the shark into the team's newest cameraman...I mean camerashark!

In this northern Florida diving adventure, Jonathan teams up with cave diver Wayne Kinard and explores Ichetucknee Spring, otherwise known as "Jug Hole" in Fort White, Florida This is Jonathan's first real cave dive in Florida, and he learns how these caves are different from the caves in the Yucatan and Bahamas. It's an epic cave diving adventure!

In the season 5 premiere episode, Jonathan travels to Abaco, Bahamas for an intensive sidemount cave diving class with world famous cave explorer/instructor Brian Kakuk.

In this spooky underwater adventure, Jonathan travels to Merida, in Mexico's Yucatan peninsula, to explore cenotes that were used by pre-Columbian Mayans for human sacrifices. Reaching the cenotes requires rappelling down into the Earth and lowering all the gear. The underwater exploration requires advanced cave diving techniques and the cinematography in this environment is extremely challenging, particularly the lighting. This beautifully-shot adventure will leave viewers on the edge of their seats!

In this exciting underwater adventure, Jonathan explores the seamounts of the Flower Garden Banks National Marine Sanctuary in the Gulf of Mexico, including Stetson Bank and the Flower Garden Banks. He encounters amazing coral reefs, barracudas, frogfish, parrotfish and witnesses a coral spawning event.

From 1958 to 1961, Sea Hunt, starring Lloyd Bridges as underwater action hero Mike Nelson, was one of the most popular television programs in the world. It created a generation of diving enthusiasts. Today, the history of Sea Hunt and the vintage scuba gear of the era are celebrated at Sea Hunt Forever, a festival that takes place at Silver Springs State Park, Florida, the original site of much of the underwater filming for the TV program. Jonathan joins the fun at Sea Hunt Forever where he witnesses underwater knife fights, spear guns and even an underwater torch!

Jonathan heads to North Carolina to explore the offshore shipwrecks of the "Graveyard of the Atlantic" which have become home to Sand Tiger sharks. The sharks are unwitting bodyguards to small fish seeking protection from predators and have developed a clever way to hide from the fish and to hover with perfect buoyancy control.

Jonathan visits the School for Field Studies in the Turks & Caicos Islands to learn how college students conduct field work in their pursuit of degrees in marine studies. He helps tag sharks, study conch and investigate marine protected areas!

In this shark-filled adventure, Jonathan travels to the Bahamas to meet Neal Harvey, a world-renown shark handler who will attempt to teach Jonathan how to put Caribbean Reef sharks into a relaxed state known as tonic immobility!

Astronauts are trained underwater at the Neutral Buoyancy Lab in Houston, TX.

In this epic adventure taking place on two coasts, Jonathan investigates the world's largest octopus, the Giant Pacific Octopus! He begins by meeting Sy, one of the octopuses at the New England Aquarium in Boston with cold water aquarist Bill Murphy. Then Jonathan and Bill travel to the Seattle Aquarium to two of their octopuses Lucy and Odie with Seattle Aquarium aquarist Kathryn Kegel. Bill and Jonathan join Kathryn and her team on some dives in Puget Sound to survey wild octopus populations. Along the way, Jonathan witnesses an incredible octopus fight and gets a small glimpse into the social lives of the Giant Pacific Octopus! Get ready for an incredible Blue World adventure!

In the Bahamas, Jonathan joins shark biologist Dr. Stephen Kajiura from Florida Atlantic University to perform an experiment which demonstrates how the electrosensory system of sharks works.

Jonathan explores the history of diving by heading down to New Jersey to meet up with the Garden State Underwater Recovery Unit to try diving in a vintage Mark V helmet! It's a completely new experience!

In the Gulf of Mexico, Jonathan visits several oil rigs to scuba dive on the structure and learn how these offshore platforms attract marine life as artificial reefs.