Josh Gates heads back into the world for a night of big mysteries and bigger guests. He welcomes Oscar-winner Matthew McConaughey, joins Expedition X's Phil Torres and Jessica Chobot on their latest adventure and talks to Dean Haglund of The X Files. Josh also speaks with paranormal investigator Dave Schrader from the Holzer Files.

Josh explores the edges of our world and outer space with celebrity guests John Lithgow, Mountaineer Ed Viesturs, and astronauts Bob Behnken and Doug Hurley, and Sir Ranulph Fiennes.

Josh gives thanks with Guy Fieri, Cheryl Hines and Alfonso Ribeiro.

Super Josh Josh Gates celebrates all things superhero with The Mandalorian's Katee Sackoff, "Spiderman" and "True Blood" star Joe Mangienello and Famke Janssen of "X-Men." Plus, Josh sees if he has superpowers when he rumbles on the set of Battlebots.

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Josh Gates explores Discovery's brand-new streaming platform, discovery+, with some of its biggest stars including David Schwimmer, Mike Rowe, Faruq Tauheed of Battlebots as well as Freddy Dodge and Juan Ibarra from Gold Rush.