Ben engineers an evil robot cake from the TV series "Dr. Who" that spins, yells and destroys; Duff and Mary Alice make their stage debut with the "Annie" national tour.

A bride and groom each order a surprise cake for the other; human-torso cake.

The Charm City gang creates a video tribute at the Contemporary; Duff and Ben come up with the craziest video game star ever.

Duff, Geoff and Mary go to New York to celebrate the new Yankee Stadium; bass-guitar cake.

Gondola in Venice; pizza pie full of Italian monuments with a gangster theme.

Purse cake; "Wizard of Oz" hot-air-balloon cake; equestrian cake.

The gang creates a gravity-defying pastry for Cirque du Soleil's big top troupe; Duff judges at the Eco-Ball.

Duff heads to Alaska to prepare a cake for the state's 50th anniversary.

Duff and his crew head to Hawaii to create a special cake for the television series "Lost."

Antarctic birthday cake; Katherine brings a French children's book to life; bobble head baseball pitcher.