Jason Hawes joins the team to discuss the Island of the Dolls and more.

The crew digs into their Mammoth Caves trip and Boudica treasure hunt.

The crew reveals new evidence from Mount Adams and Buzzard's treasure hunt.

The team reviews their time in Brazilian jungles and the Bermuda Triangle.

It doesn't get any more fresh than this! Join Guy Fieri aboard the Bimini Blue for some lionfish ceviche.

WWE superstar Ronda Rousey is here to get you into Shark Week shape!

Ronda Rousey, Paul de Gelder and Joe Romeiro join host Julian McCullough.

Lindsey Vonn, Riley Elliot and Tristan Guttridge join Julian McCullough.

Jerry O'Connell, Nikki Glaser and Luke Tipple join host Julian McCullough.

We're looking back on the most memorable five years of Alien Sharks.

Josh sends the team to the Big Thicket to investigate apparitions.

Josh sends Jessica and Phil to hunt for the infamous Jersey Devil.

Phil and Jess investigate a 30-foot serpent in Lake Champlain.

Josh explores the world while staying Safer at Home.

Josh shares updates from his search for the Woolly Mammoth.

Exploring from the safety of home, Josh shares updates and unseen footage from his adventures hunting the mysterious mountain-dwelling Yeti. Then, Dave Turin of Dave Turin's Lost Mine joins in to discuss his epic season finale and winter challenges.