Intros
1965
Season 4 ("Superstar" episode with shots of Danny Strong in credits)
1964
Season 5 (Marc Blucas in credits)
1963
Season 5 (Michelle Trachtenberg replaces Marc Blucas in credits)
1962
Season 6
1961
Season 6 ("Once More with Feeling" episode)
1960
Season 6 ("Seeing Red" episode with Amber Benson added to credits)
1959
Season 7