Ten bakers celebrate spring by combining all things cute and delicious in their spring animal-themed doughnuts in round one; in the main heat, the bakers create watercolor cakes featuring iconic spring fruits and vegetables.

The remaining nine bakers compete to make blue-ribbon worthy rhubarb pies with decorative crusts; the competition gets wild and wacky in the main heat when the bakers have to make larger-than-life versions of favorite fairground treats.

In the spirit of spring romance, the eight bakers are paired up in teams to create harmonious mashups of two different desserts.

The seven bakers put a spring spin on Southern classics, starting with the challenge of turning a can of biscuits into a spring dessert flavored with lemonade, bourbon or sweet tea.

Easter is a time for colorful desserts and marshmallow treats, so the six remaining bakers have to create an ooey-gooey marshmallow dessert in a bright Easter color.

For Earth Day, the five bakers are celebrating the bounty of Mother Nature, starting with wondrous walnut desserts featuring an assortment of flower honeys. Then the competitors find themselves in a forest grove filled with wild berries, which they must use to flavor an enchanted forest cake with edible moss.

Pink is the color of spring, and rose is the perfect party wine, so the four remaining bakers are charged with making mini desserts featuring rose and cheese. Then it's off to the races in the spirit of the Kentucky Derby as the bakers make all-pink party desserts using pink ingredients.

Remaining bakers celebrate Mother's Day; competitors make baked items inspired by mai tais, mojitos or mimosas; they then use flavors inspired by Mom's favorite coffee drinks to create cakes featuring their Mother's Day gifts; the winner is chosen.

Eleven bakers celebrate the natural beauty of spring by making perfectly patterned spring fruit geometric tarts. Then they show off their skills by making trendy fault line cakes that feature spring transformations such as caterpillar to butterfly, rain showers into sunshine and bare trees bursting into bloom.

The ten competing bakers celebrate the spring equinox by first making colorful and delicious doughnuts themed to either sunrise or sunset. Then the theme is stargazing at night, and each baker is assigned a celestial event to bring to life in dessert form. There are shooting stars, the Milky Way, the Northern Lights, meteor showers and more.

It's raining cats and dogs as the nine competing bakers make "kittyclairs" -- eclairs with an orange kitty theme. Then they play puppy games, making desserts with sporty themes like a kayaking poodle and a tennis-loving Labrador.

It's team challenge week, and the eight bakers grab a buddy to spring into the outdoors. First, they bake tasty hand-held treats for a hike. Then it's time for a bike ride as each baker must make a Paris-Brest wheel and work with their teammate to create a complete two-wheeled dessert, decorated for a ride through a vineyard, canyon, city park or country lane.

In celebration of the upcoming movie, the seven remaining bakers join the Trolls World Tour and are challenged to make colorful tiny Troll treats. Then the competitors have VIP all-access passes to a Troll rock concert and must create cakes with a musical Troll tribe theme.

Spring is the time to clean and streamline, so the six remaining competitors make minimalist creations that are both flourless and flower-less. Then the bakers choose a crafted item from a funky yard sale and use it as inspiration for a gorgeous dessert

It's all things spring and flower-centric when the five remaining bakers are assigned cherries, cherry blossom decor and a crumble dessert to combine into a fabulous floral fusion. Then the competitors work with an ever-popular trend to create flower-crown cakes.

It's Mother's Day, and Mom takes a spring vacation to celebrate. Inspired by Mom's favorite cocktail, the four remaining bakers create sweet, spicy margarita madness desserts. Then the competitors make look-alike baked goods based on Mom's pool float, choosing between flamingo, swan, seahorse or peacock.

The pressure mounts in the Spring Baking Championship finale as the three remaining bakers celebrate graduation day by making an honor roll dessert and a diploma dessert with a dipping sauce. Then the competitors create prom-night cakes themed to the '50s, '60s or '80s. One baker wins the title of Spring Baking Champion and the $25,000 prize.