High Quality Content by WIKIPEDIA articles! Rudolph and Frosty`s Christmas in July is a feature-length 1979 Rankin-Bass crossover sequel filmed in stop-motion animation in the style of their 1964 Christmas special Rudolph the Red-Nosed Reindeer. It was 97 minutes long. Although designed as a theatrical release (it only appeared in theatres overseas), it made its U.S. premiere on television via the ABC network.