Leonard is devastated by the new friendly relation developing between his mother and Penny. Meanwhile Sheldon takes a detour with Raj and Howard to explore the old belongings of Howard's Science Models.
Did You Know?
Howard and Bernadette's second child is revealed to be a boy. See more
While Sheldon is holding a large box containing a model rocket he asks Howard, "You have a replica Saturn V?" There is already a Saturn V rocket sitting on the table he is facing. See more
[as the doctor's office
It feels like it wasn't that long ago we were here doing this for Halley.
'Cause it wasn't. Which reminds me, before we leave, let's get you a vasectomy.
Oh, that's sweet, but today is all about you.
References Star Trek
History of Everything
Written by Barenaked Ladies
Performed by Barenaked Ladies
[Series theme song played during the opening titles] See more