Sheldon has a revelation when he realizes why a song was stuck in his head. Also, Amy invites Dave over for dinner despite their previously awkward date, and Wolowitz and Koothrappali become obsessed with a fan of their band, "Footprints on the Moon".
Comments
"What a lovely evening!"
Lost it.
"I love the way soften my life with your love,
I dream about you often, I hold you in my heart"
"Beach Boys - Darlin"
<<so, what I'm trying to say is
I can't get you out of my heart, you're my heartworm.>>