The theme song That Girl theme, one of my all time faves, got a makeover for season 5, its last. Lyrics were added but I wasn't too fond of them - "She's everything that every girl should be?" Really? Because Ann Marie was a bit of a dip.
Here's the original version, That Girl had the most inventive opening:
Here's the season 5 theme with lyrics and more exciting visuals that better reflected the city of New York. Looking at the previous version after the one below I'm thinking, 'what's with all the shots of buildings?' but America was still mostly a small town experience in 1966.