Yogi and the Invasion of the Space Bears Yogi Bear and Boo-Boo discover aliens who plan to conquer Earth. Details Casts Galleries Posters Title Yogi and the Invasion of the Space Bears Release Date 1988-09-01 Runtime 01 Hours 34 Minutes Genres Animation Family TV Movie Production Companies Hanna-Barbera Productions Production Countries United States of America Daws Butler... Yogi Bear (voice)... Don Messick... Boo Boo / Ranger Smith (v... Julie Bennett... Cindy Bear (voice)... Susan Blu... Snulu (voice)... Peter Cullen... Ranger Roubideux (voice)... Townsend Coleman... Zor 1 (voice)... Rob Paulsen... Zor 2 (voice)... Linda Harmon... Cindy Bear (singing voice... Original Size (1280x720) Original Size (1400x2100) Original Size (612x919)