What's the most destructive substance on Earth? Lava's the reigning champ - but how do lasers stack up? Mark and his friends are about to find out.
Mark uses the magic of engineering to level the playing field in a stacked competition against the world's greatest wiffle ball players.
From cereal and milk to spaghetti and meatballs: Things get messy when the CrunchLabs team cooks up new ways to make Mark's mealtimes more efficient.
Mark ups his backyard obstacle course game to keep four thieving squirrels away from a bank vault full of birdseed and a lifetime supply of walnuts.
With the right amount of forced air, a hot tub filled with sand can look like a bubbling pot of soup. But how? Mark breaks down the science behind it.
Stolen packages? Not so fast. Mark builds the original "Glitter Bomb" trap to combat porch pirates-and really make them regret their life choices.
CrunchLabs product designers get 24 hours to build and race their own custom go-karts incorporating engineering know-how-and the element of surprise.
It's not just the Ninja Kidz - it's the whole Ninja Fam! And Mark's challenging them all to a silly series of "Minute to Win It" style challenges.
From Arnhem Land to rock stardom, Yothu Yindi's Witiyana Marika was destined to take centre stage. Now, at a crucial time for his community, he's shed his dreadlocks and emerged as a leader of his people.
Emmelle, Kim, Sarah-Jane, Alan and Broughan race in moving podiums across the studio to try to win £5,000.
Former winners Steve Backshall, Steve Pemberton, Sam Quek and Rachel Riley test their general knowledge skills on this week's Richard Osman’s House of Games: Champions.
In the skills challenge, host Jesse Palmer asks the 10 remaining chefs to reinvent a classic, recognizable dessert, such as strawberry shortcake or s'mores by giving it a modern, science-driven twist.
Officers investigate an academic returning from the Dominican Republic with dead specimens. A tip comes in about a traveler running a massage parlor linked to sex trafficking. Drugs worth $1,000,000 are intercepted before leaving the United States.
Henry and Skid set off again, and their latest stop is H&H Auctions in Nottinghamshire. Here, the pressure is on as bids fly and opportunities come thick and fast.
The battle rounds begin as the coaches prepare their artists in hopes of reaching the knockouts.
For this week’s Quickfire Challenge, the chefs are tasked with creating a savory dish inspired by a sweet treat. Then the chefs head to PuckerButt Farms for a pepper tasting with Ed Currie, the inventor of the world’s hottest pepper. For the Elimination Challenge, the chefs are split into two teams and must create a progressively hotter menu. “Top Chef” season 12 winner Mei Lin joins Kristen, Tom and Gail at the judges’ table.
A broken oven forces Chef Ben to attempt a seven-course dinner under extreme pressure; Cracks spread across the boat as Mike goes missing when he's needed most.