Friends' theme song has been there for its viewers for 25 years and has now captured the heart of a whole new generation. 3 girls, 3 boys, and New York as a backdrop: Friends quickly became so much more than the sum of its parts. The lighthearted show ran for 10 seasons and saw its initial cast of unknowns blossom into superstars.

Happy birthday "Friends": cult series turns 25

Friends' theme song has been there for its viewers for 25 years and has now captured the heart of a whole new generation. 3 girls, 3 boys, and New York as a backdrop: Friends quickly became so much more than the sum of its parts. The lighthearted show ran for 10 seasons and saw its initial cast of unknowns blossom into superstars.