All ages admitted. There is no content that would be objectionable to most parents. This is one of only two ratings dating back to 1968 that still exists today.
If you were a kid growing up in the late 80s and early 90s, you may remember these cheesy "Dinosaur Shows" that played on the Disney Channel or in your classroom if you had a "cool" teacher. Gary Owens and Eric Boardman provide information on dinosaurs from the time while entertaining us with Eric's antics and Gary's transformation into a real life dinosaur!