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While chasing close to home in southeastern Oklahoma, Team Dominator catches up with a horizontal funnel cloud that twists and turns beneath a massive supercell.

Science fiction expert Dr. Michio Kaku believes Wells was more than a century ahead of his time and, in fact, helped create the science fiction genre.

When Reed has second thoughts about giving the team a day off, Joel starts to lose patience with the "chase everything" strategy.

Is time travel possible? Physicists discuss different possibilities of time travel, the grandfather paradox and the butterfly effect.

The Mystery Spot in Santa Cruz, CA, creates optical spatial illusions that make the eye send confusing signals to the brain.

Experts at Textron Systems are hard a work developing lasers that can zap enemy missiles out of the sky in mid-flight. Much like H.G. Well's heat rays from War of the Worlds.

Can you really strike it rich on the streets of New York City? Raffi The Street Miner shows you how.

Artist Ken Murphy wanted to create artwork that drew on the patterns of nature. So he took 8,640 pictures of the sky every day for one year to create a mosaic of time-lapse movies.

Does a regular butter knife have the gumption to split a bullet in half?

Will takes Sheriff Gautreaux and his men out on the river and shows them exactly what his new patrol boat can do.

After Kris chooses his love for Stephanie over Red Jacket, Will must decide if there's a way to let Kris stay.

After heated exchanges with Kris, Will warns Steph to be very careful when considering a relationship with someone she works with everyday.

Tory suits up in style with bed liner while mentally preparing himself to be attacked by a dog.

Joe takes the M240 Bravo machine gun that will be mounted on the sheriff's patrol boat over to the indoor range for a quick 200 round test.

Will a methane explosion in a sewer send a manhole cover sky-high? Before going full-scale, Jamie and Adam give it a go in a small-scale -- and closed -- sewer system.

Jason and Stuart are in the lead until falling into a sand trap on day two of the race. Can they regain the time they lost?

Red Jacket or Steph? Watch to find out Kris's decision.

Eight of the world's most experienced truckers will race against each other, taking on some of the harshest routes on the planet.

Will works on a plan to give the Baton Rouge sheriff's new patrol boat more firepower including a M240 machine gun, a Mark 19 grenade launcher and a bonus smoke grenade launcher.

Before seeing whether a house coated with truck bedliner offers more protection, Kari, Grant and Tory use C4 to do a little remodeling on a plain wood wall.

Blimp explains the many superstitions of shrimping. He soon faces his own bad luck when his boat's winch breaks.

Ever wonder why birds fly in V-formation? Kari and Tory get the scientific scoop from Institute of Bird Populations biologist Peter Pyle.

Kari, Grant and Tory respond to questions about the Bedliner myth, including how Tory felt during the dog attack test and if there's any pain involved in crashing a car at 6 miles per hour.

There was no way around it: In order to test the "toilet bomb" myth from Lethal Weapon, Jamie Hyneman and Adam Savage had to get REALLLLLLY up close and personal.

On the "Lady Cindy", Captain Dardar hauls in an unexpected catch in one of his shrimp nets.