Leonard buys a replica time machine online. As the boys move it into the apartment they accidentally make Penny late for work causing her to lash out at Leonard for his nerdy ways. Upset, Leonard decides to get rid of all his 'nerdmabelia' and the guys try to convince him not to. Written by
Did You Know?
This is the first time they open the door to the elevator shaft. See more
Raj says he has a Millennium Falcon toy made by Mattel from 1979. Kenner has always been the licensee for Star Wars toys, not Mattel. See more
What if I knocked you unconscious right now?
It won't change the past.
But it'd make the present so much nicer.
In the opening scroll of the time line when it gets to 91,000 there is a mistake the dates read 93,000BC 92,000BC 91,0009C 90,000BC for some reason 91,000 is a 9c not a BC. See more
"The Big Bang Theory Theme (Instrumental)"
Composed and Performed by Barenaked Ladies See more