THE WONDERFUL WORLD OF DISNEY - Disney Legend Dick Van Dyke, who portrays Bert, the carefree Cockney chimney sweep in Mary Poppins, will host interstitials throughout ABCs broadcast of The Wonderful World of Disney Presented by Target Brings You Mary Poppins on SATURDAY, DECEMBER 12 (8:00-11:00 p.m., ET). Van Dyke will be joined by the Targets mascot, Bullseye, the lovable bull terrier. This holiday event marks the first network television broadcast of Mary Poppins in 13 years. (Photo by Rick Rowell/ABC via Getty Images)