The bakers summon their not-so-super powers to make Marvel-themed cupcakes with detailed cookie toppers and a daunting "Black Panther" cake.
What's scarier than a cook who can't read a recipe? A trio of creepy-crawly bug cookies and a terrifying clown cake that tastes like cotton candy.
The amateur bakers attempt to imitate the masters with gingerbread self-portraits and a sculpted cake replica of Michelangelo's David.
The contestants turn back time -- and mangle time management -- with inside-out Neanderthal cupcakes and a tropical-flavored T. rex cake.
The pressure's on to make perfectly puffed éclairs and a layered bust of Napoleon Bonaparte for not one but two esteemed French chefs.
Two high-fashion challenges put the bakers' hopeless skills to the test: fondant-covered doll cakes and an edible headdress heaped with fruit.
The contestants raise the bar with two half-baked "high society" challenges: late-night munchie-inspired pancakes and a gravity-defying tea cake.
It's "happily ever after" or bust when the bakers try to make fairy tale cupcake pops, then stack cakes in the form of a majestic unicorn.
The cooks divide and conquer to fill sections of a savory snack stadium before building a cake that looks like a barbecue grill.
'Tis the season to be scary when the bakers try their hands at holiday cookies before constructing an elaborate gingerbread house.
The contestants face their fears (with very sharp knives) when they carve an animal out of a watermelon and bend cake into the shape of a snake.
Space-themed challenges throw the hapless bakers for a loop when they're asked to make cosmic cupcakes and a supersized solar system cake.
Five fabulous "Nailed It!" fans visit the test kitchen for a challenge so extra, we had to make it a bonus episode.
Under the watchful eyes of an iconic cake designer, contestants decorate complicated cake pops and a bespectacled, three-tiered wedding cake.
The bakers do their best to make jelly-filled doughnuts fit for a pirate before tackling an edible tower with a princess on top.
Two daunting desserts -- a chocolate-filled "hot tub" and an open-mouthed shark cake -- have the hapless home cooks struggling to stay afloat.
Contestants loosen up a food scientist with a cupcake-cocktail pairing before serving him questionable slices of a bubbling volcano cake.
A YouTube star known for her fondant work watches the bakers try to copy two of her most popular Japanese-themed cakes.
Dogged contestants are seeing double when they're asked to paint their portraits on a cookie before building an edible bust of Donald Trump.