The Chelsea set head for Scotland, hoping for a Highland fling, but a blast from Sam Prince's past sends shockwaves.
Roland recruits Karl to build a wall that can withstand the demonic beasts, and meets Nana, another witch.
Azzi Fudd navigates the road to recovery in Arlington, VA. Driving through her past, she reflects on her unfiltered family, her mother’s basketball legacy, and the gym sessions with her dad that turned her into a national icon.
Trey McKenney hits the road back to Flint, Michigan. Joined by his family, Trey revisits his old boarding school and his grandfather’s church to celebrate the coaches and mentors who stood by him before he made his mark on the college court.
Napheesa Collier explores what home means. While her parents revisit the roads of Missouri, Napheesa drives through Miami, reflecting on her community-building roots and how her upbringing inspired her to create a new league.
Qi Shu discovers he has been unrealistic. Fan Changyu is reunited with her long-lost sister. Gongsun Yin gives Xie Zheng a warning.
The rivalries, romances, hopes and fears of the residents of the fictional Midwestern metropolis, Genoa City. The lives and loves of a wide variety of characters mingle through the generations, dominated by the Newman, Abbott, Baldwin and Winters families.
Mark explores the possibilities of anti-drone defense technologies with a crew of backyard YouTube engineers... and the world's largest vortex cannon.
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.