Subtitles section Play video Print subtitles - Sorry I messed up our date. - No, don't worry about it. I brought the date here. Guys, come on in. What's all this? Well, tonight is the anniversary of our first date, and I wanted to celebrate it by writing a song for you. Howie... Sheldon, get over here! She might be contagious. Don't you think I'm having a rough enough day? Sheldon! ♪ If I didn't have you ♪ ♪ Life would be blue ♪ ♪ I'd be Doctor Who without the TARDIS ♪ - Is it me, or does she not look so good? - Shh! ♪ A candle without a wick ♪ ♪ A Watson without a Crick ♪ ♪ I'd be one of my outfits without a dickey ♪ ♪ I'd be cheese without the mac ♪ ♪ Jobs without the Wozniak ♪ ♪ I'd be solving exponential equations ♪ ♪ That use bases not found on your calculator making it much harder to crack ♪ ♪ I'd be an atom without a bomb ♪ ♪ A dot without the com ♪ ♪ And I'd probably still live with my mom ♪ ♪ And he'd probably still live with his mom ♪ ♪ Ever since I met you, you turned my world around ♪ ♪ You supported all my dreams and all my hopes ♪ ♪ You're like Uranium-235 and I'm Uranium-238 ♪ ♪ Almost inseparable isotopes ♪ ♪ I couldn't have imagined ♪ ♪ How good my life would get ♪ ♪ From the moment ♪ ♪ That I met you ♪ - ♪ Bernadette ♪ - Oh, Howie. ♪ If I didn't have you ♪ ♪ Life would be dreary ♪ ♪ I'd be string theory without any string ♪ ♪ I'd be binary code without a "1" ♪ ♪ A cathode ray tube without an electron gun ♪ ♪ I'd be Firefly, Buffy and Avengers without Joss Whedon ♪ ♪ I'd speak a lot more Klingon ♪ ♪ Heghlu'meH QaQ jajvam ♪ ♪ And he'd definitely still live with his mom ♪ ♪ Ever since I met you ♪ ♪ You turned my world around ♪ ♪ You're my best friend and my lover ♪ ♪ We're like changing electric and magnetic fields ♪ ♪ You can't have one ♪ ♪ Without the other ♪ ♪ I couldn't have imagined ♪ ♪ How good my life would get ♪ ♪ From the moment that I met you ♪ ♪ Bernadette ♪ ♪ Oh, we couldn't have imagined ♪ ♪ How good our lives would get ♪ ♪ From the moment that we met you ♪ ♪ Bernadette ♪ Howie, that was amazing! Look, I'm shaking. She's sick, I knew it. Bye!