Be sure to watch The Big Bang Theory Season 8 Episode 23 online right here via TV Fanatic to join in on all the fun with Leonard, Sheldon, Penny, Howard, Raj, and the rest of the gange. You're going to want to find out what happens when Sheldon and Leonard's moms meet for the first time, and their personalities collide. It's another hilarious episode you won't want to miss, with special guest stars Christine Branski and Laurie Metcalf.

These two moms have very different parenting styles, but they both managed to raise successful, smart sons. What will think of each other when they finally meet? Watch The Big Bang Theory Season 8 Episode 23 online to find out now!

Penny also finds herself in the middle of the conflict, as the two moms disagree over fundamental beliefs. Will Penny be able to keep things calm? And how will Leonard and Sheldon react?

Meanwhile, there's trouble at home with Bernadette and Howard, and Bernadette finally convinces Howard to do his fair share of the house work. He also gets a little help from the guys, and it turns out they aren't great at the job. It's another can't miss episode of The Big Bang Theory, so watch online now!