1970: "I Think I Love You" (the group)
It 
was released as the debut single by The Partridge Family pop group, featuring... [DOC] [TLE] The Partridge Family - I Think I Love You - YouTube [PAR] Jan 29, 2011 - 4 min - Uploaded by John1948NineEThe top-rated series first-aired on ABC from 1970 to 1974, premiering ... of the  group's ... [DOC] [TLE] The Partridge Family - I Think I Love You - YouTube [PAR] Apr 30, 2013 - 3 min - Uploaded by PartridgeFamilyVEVOMusic video by The Partridge Family performing I Think I Love You.