Sisters Sophie and Katherine own and operate one of the most successful cupcake bakeries in Washington, DC, "Georgetown Cupcake." In this episode, the sisters agree to donate a huge Mardi Gras mask made out of a thousand cupakes for a local fundraiser.

Sophie and Katherine offer to support a DC Animal Rescue fundraiser by creating a life size dog out of cupcakes as a centerpiece for the event. In the process, they also develop their first ever "pupcakes" for the gala as well.

The sisters offer to come up with a Greek inspired cupcake and a giant work of Greek art made out of cupcakes when "Mommy" invites her Greek Orthodox priest to the bakery to participate in an upcoming Greek festival.

The DC Roller Girl League asks sisters Sophie and Katherine to create an enormous version of their logo out of cupcakes for their opening day. Meanwhile, a trip to an exotic ingredient warehouse inspires a fun new cupcake flavor for Spring

Sophie and Katherine must make wedding cupcakes with two different family recipes; the new employee crosses Sophie.

Sister vs. sister bake off at the firehouse while giving a local fireman baking lessons; a picky customer sends back cupcakes for her daughter's Sweet 16 party

Sophie and Katherine create a 9-ft. cupcake sculpture of a glow-in-the-dark guitar for a sweet-16 party.

Sophie and Katherine make cupcakes for a huge birthday bash at the National Zoo.

Sophie and Katherine make a giant high-heeled shoe out of cupcakes for the annual DC Drag Queen Race.

Sophie and Katherine make 10,000 cupcakes for the troops in Afghanistan.

Sophie and Katherine create a working slot machine made out of cupcakes for a casino-theme 40th-birthday party.

Sophie and Katherine plan a surprise party for the parents' 40th wedding anniversary.

Sophie and Katherine create an edible cupcake wedding dress, which will be worn on the runway during DC Fashion Week.

Sophie and Katherine create a giant bra out of pink cupcakes for Breast Cancer Awareness Month.

The sisters build a Chinese lion while Andres takes on the task of creating an Asian inspired flavor cupcake; the shop raises money for the Boys and Girls Club of DC.

Creating a giant tattoo out of cupcakes for the DC Tattoo Expo; a special cupcake order.

Katherine is engaged; Sophie and Mommy plan a surprise engagement party with a giant engagement ring made out of cupcakes.

The Sisters host a national cupcake eating competition on Coney Island and craft a cupcake sculpture.