Green Acres theme song

America's all-time favorite.



Written by: Vic Mizzy
Performed by: Eddie Albert & Eva Gabor

Via.

Friends theme song

My all-time favorite.



Title: I'll Be There For You
Written by: David Crane, Marta Kauffman, Michael Skloff, Allee Willis, Phil Sōlem and Danny Wilde
Performed by: The Rembrandts

How I Met Your Mother cast sings theme song

Go Barney!