Baking duos go off the deep end with desserts inspired by the wonders of the ocean, including marine animal mini cakes and enormous edible octopuses.

Candy-jeweled brooch cookies? Inviting cookie-jar cakes? These sugary sweets are just like the ones Grandma used to make — if Grandma couldn't bake.

From splashy cereal-bowl cakes to towering hamburgers with fries, these attempts at hyperrealistic treats are so bad, you won't believe your eyes.

Stacked Greek god statue cupcakes and snake-headed Medusa makeover cakes take Herculean effort and skill — and these awkward results are epic.

Putting their own spin on travel, the bakers make terrible spiced-doughnut tourists and deflated hot-air balloon cakes. It's destination disaster.

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.

It's a Ferris wheel of fails as the teams make treats with a state-fair theme — from caramel corn knockdown-doll clowns to roller-coaster cakes.

A funny, furry pet theme finds the cooks concocting giant exotic-animal cookies, then re-creating Nicole's adorable dog, Clyde, in cake form.

The bakers do their best to make jelly-filled doughnuts fit for a pirate before tackling an edible tower with a princess on top.

A Western-themed round inspires deep-fried cowboy-duck doughnuts, a root beer-infused rodeo cake ... and really bad flavors.

Space-themed challenges throw the hapless bakers for a loop when they're asked to make cosmic cupcakes and a supersized solar system cake.

Two bookish treats inspired by literature set the bakers up for epic fails: Shakespearean stained-glass window cookies and a pop-up "Moby Dick" cake.

Two daunting desserts -- a chocolate-filled "hot tub" and an open-mouthed shark cake -- have the hapless home cooks struggling to stay afloat.

A YouTube star known for her fondant work watches the bakers try to copy two of her most popular Japanese-themed cakes.

The cooks divide and conquer to fill sections of a savory snack stadium before building a cake that looks like a barbecue grill.

Edible ice cream boom boxes made with liquid nitrogen and a fresh and fly fondant-covered cake? Oh, snap — that sounds like a '90s challenge.

The bakers go for the gold — and miss masterfully — with sports-medal cookies and an elaborate swim cake that's topped with a waffle cone torch.

The bakers make candy apple aliens and a sculpted Loch Ness monster cake based on mysterious creatures from outer space... and the freshwater depths.

Treats inspired by "Mr. Chocolate" Jacques Torres include lollipop portraits and a cake spiced with cocoa and cayenne. Mais oui laugh? But of course!

Contestants loosen up a food scientist with a cupcake-cocktail pairing before serving him questionable slices of a bubbling volcano cake.

Dogged contestants are seeing double when they're asked to paint their portraits on a cookie before building an edible bust of Donald Trump.

The contestants raise the bar with two half-baked "high society" challenges: late-night munchie-inspired pancakes and a gravity-defying tea cake.

Jam-filled animal pastries and a coffeecake shaped like a sloth push the contestants out of their comfort zones — and the results are wild.

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.

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.