 Once there, they must hurry home before Andy leaves.Again, the majority of the cast from the prior two films returned, with Slinky Dog voiced by Blake Clark due to Jim Varney's death in 2000.It was the first film in the franchise to be released in 3-D for its first run, though the first two films, which were originally released in 2-D, were re-released in 3-D in 2009 as a double feature.