46. Kelly Robinson and Alexander Scott, 'I Spy'
As Kelly Robinson and Alexander "Scotty" Scott, globe-trotting espionage agents traveling undercover as louche tennis pros, Robert Culp and Bill Cosby embodied laconic late-Sixties cool. That Cosby squandered his pioneering work here — he was the first African-American man to win an Emmy for Best Actor in a Drama — with his loathsome behavior off screen is criminal in more ways than one. But for a while, these two were the hippest cats on TV.