an Entity references as follows:
Surviving Sid is a 2008 computer-animated 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 Blu-ray.