Complex sentence: In 1996, Crystal was the guest star of the third episode of "Muppets Tonight" and hosted three Grammy Awards Telecasts: the 29th Grammys; the 30th Grammys; and the 31st Grammys.
Split into simpler sentences: In 1996, Crystal was the guest star of the third episode of "Muppets Tonight". Billy Crystal hosted three Grammy Awards Telecasts: the 29th Grammys; the 30th Grammys; and the 31st Grammys.