Who did Raj choose?
Love is in the air on The Big Bang Theory Season 9 Episode 15 as Valentine's day brings a whole host of drama for our favorite characters.
Penny and Leonard realize how it feels to be aging, but how does that even come up?
Howard and Bernadette find something in their hot tub that shocks them, but what?
Find out all the answers when you watch The Big Bang Theory online. Just click on the video above, follow its instructions and you'll be laughing in no time.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.