A sunken Nazi submarine packed with toxic cargo is a ticking timebomb that could put the whole world at risk; Jeremy Wade reveals the sub's top-secret mission on the day it sank and how experts keep it from sparking a global catastrophe.
The teams are back at The Block after COVID-19 shutdown. Will dirty Harry pay for the price for being sneaky?
Reb and Lou are rocked by a blast from the past with cult leader Sheila coming into the compound. Ferguson awaits news of her committal hearing as Vera enlists Allie to help her with devastating consequences.
In Sydney, Hilary joins the boys and goes head-to-head with Jack in cricket, while father and son compete in a drag show and Jack tries speed dating.
A weekly talent competition where an array of performers – from singers and dancers, to comedians and novelty acts – vie for a $1 million cash prize.
Daniel gets handsy during his COVID-19 test, sits down for a Tiny Desk concert with Web Legend Rebecca Black and tries to discern if items around the Tosh.0 office are actually cake.
Across the Milky Way, galaxies are going dark, and scientists don’t know why the stars are losing their shine; astronomers race against time to uncover the truth behind how galaxies are born and how they die before all of the lights go out.
The Cornelia crew fights to save its gear from sea ice; Jake risks the far north to fill his tanks before his son's birth; amid news of a looming pandemic, Russian boats mysteriously disappear and captains race to dock before crab prices crash.
Kailyn hears from her estranged mom. Briana gets the results of her STI test. Jade graduates beauty school but family complications threaten her big day. Chelsea guides Aubree as she considers inviting Adam to the Father/Daughter dance.
Adam is offered advice from Victor Amanda gets help from Billy to dig into her past. Nick and Phyllis discuss the future.
Peoplemover Penny could use a friend or two to help overcome her fear of bats so she can get the kids to camp in time for s’mores at sunset!
Will engineer Liza's sparkly drum set arrive safely for her spectacular concert at Central Square Station? Mechanic Milo is there to make it happen!
Flicker delivers a batch of beach balls for his very first mission and learns that, even if he makes a mistake, he always has friends to help him out.
Build-it Brock is in charge of Central Square's new tower. All the trains have different design ideas, but pleasing them might be too much to handle!
Faye is packed full of Clay and May’s fluffy farm-fresh popcorn for movie night. She’ll just need to get away from the pesky geese who want some too!
Glazed, jelly, chocolate twist. Everyone has a favorite donut, but Tracksville just needs a giant one delivered to place atop its brand new donut shop.
Trackmaster Nico is scared of roller coasters. But he might actually learn to like them after helping haul pieces of track for Milo’s new thrill ride.
A haunted Ghost Train comes for candy every Halloween, and Nate gets quite the fright when he thinks Flicker's first-class costume is the real deal!