It's Thursday, it's late, it's time once again for the game that's sweeping the nation: GUESS THE THEME! All the clips below have something in common. Leave your best guesses in the comments.

Barney - "I Love You"

Ted Trailer

The Marshall Tucker Band - "Can't You See"

The Jackson 5 - "Rockin' Robin"

George Jones - "The Lily Of The Valley"