Buddy Valastro and Duff Goldman embark on the ultimate journey back in time to create the most realistic dinosaur cakes ever made as centerpieces for a fun-filled sleepover at the American Museum of Natural History.

Singer and actress Jordin Sparks is finishing her run as the lead in the Tony-nominated Broadway musical Waitress. She asks Buddy Valastro and Duff Goldman to help her celebrate by making painstakingly detailed cakes for a huge wrap party.