Surviving Sid is a 2008 computeranimated short film from Blue Sky Studios, starring Sid the Sloth of Ice Age and a cameo appearance by Scrat. It is the third in the series of Ice Age short films, the other two being Gone Nutty and No Time for Nuts. Unlike the first two Ice Age short films, Surviving Sid focuses on Sid and a small animal group of camping children. Directed by Galen Tan Chu and Karen Disher, the short premiered on December 9, 2008, on the Horton Hears a Who DVD and Bluray.
The short film was released with the Horton Hears a Who Bluray and DVD, which was released in the United Kingdom on October 20, 2008, and in the United States on December 9, 2008.As of July 2009, it is also available as a free Video Podcast in the USA iTunes Store, and on the PlayStation Network. ........
Source: Wikipedia