Complex sentence: Aldrin acknowledged the tribute when he pulled a Buzz Lightyear doll out during a speech at NASA, to rapturous cheers; a clip of this can be found on the Toy Story 10th Anniversary DVD.
Split into simpler sentences: Aldrin acknowledged the tribute when he pulled a Buzz Lightyear doll out during a speech at NASA, to rapturous cheers. A clip of this can be found on the Toy Story 10th Anniversary DVD.