Look who's turning 50 this year.
George of the Jungle, Jay Ward's dimwitted send-up of Tarzan, hits the milestone. If there was ever a cartoon hero who needed to be tested for concussions, George would be it, considering how many times he's crashed into trees.
Digression over. In "Monkey Business", George (Bill Scott, who also is one of the executive producers) has to rescue Ape (Paul Frees) from a pair of poachers. Frees, of course, also narrates.
The shorter intro at the start of this video is the one used to queue each of George's adventures.