Complex sentence: In December 1962 she made the first of a number of appearances on the Ed Sullivan Show, was later a cohost on the Mike Douglas Show, and made an impact on a number of Bob Hope specials.
Split into simpler sentences: In December 1962, she made the first of a number of appearances on the Ed Sullivan Show. She was later a cohost on the Mike Douglas Show, and also made an impact on a number of Bob Hope specials.