‘How I Met Your Mother” “P.S. I Love You Clip: See Robin Sparkles “Underneath the Tunes”
Regardless of the additional season granted to 'How I Met Your Mother' fans, this coming Monday's all-new episode "P.S. I Love You" will prove an important part of the show's mythology, as Robin comes to grips with both her past as Robin Sparkles, and a new stage of her relationship with Barney. And what better way to show that, than with an all-new musical number? Preview the downfall a