Yogi and the Invasion of the Space Bears Cindy visits Mountain Bear and asks where Yogi and Boo Boo are gone. Upset, she starts crying, saying she misses Yogi. The next day she spots the Bear Robots and thinks she's having a nightmare, but she hears the voices of the real Yogi and Boo Boo. Yogi tells her all about the Bear Robots, and that they're called Dupiods. He tells her that he and Boo Boo trapped Zor 1, Zor 2 and Dax Nova in space and saved the park. That night they find Boo Boo singing to his girlfriend Snulu, whom he had to leave behind. Yogi
Yogi Bear television film "Yogi and the Invasion of the Space Bears". After Butler's death, Greg Burson stepped in to perform the role (Butler had taught Burson personally how to voice Yogi as well as his other characters). Greg Burson died in 2008. Jeff Bergman and Billy West also performed the character throughout the 1990s and early 2000s for various Cartoon Network commercials and bumpers. In the "Yogi Bear" film, the character is voiced by actor Dan Aykroyd. In the animated stop motion sketch comedy show "Robot Chicken" created by Seth Green, Dan Milano voiced Yogi Bear. Scott Innes performed the voice