Merv dedicated an entire show in May of 1978 to the release of the disco movie "Thank God It's Friday". In this clip he chats with Donna Summer and songwriter Paul Jabara about the song "Last Dance" then Donna sings it to close the show. Merv Griffin had over 5000 guests appear on his show from 1963-1986. Footage from the Merv Griffin Show is available for licensing to all forms of media through Reelin' In The Years Productions.