The Big Bang Theory's Leonard Hofstadter and Raj Koothrappali went through a difficult period in their friendship when Leonard dated Raj's sister Priya. Raj struggled at first with the idea of one his closest friends in a relationship with his younger sister, and he even went as far as forbidding the pair from even talking to each other.
Of course, this doesn't work, and Priya and Leonard quickly becoming an item.
It takes a little bit for Raj to come around to the idea of the pair together, especially since his sibling isn't afraid to reveal some of Raj's childhood secrets to Leonard.
As things progressed, Raj did eventually come around to the idea... just as Leonard and Priya's relationship came to an end. Despite the split, Raj and Leonard's friendship was always strong enough to get through anything.
Leonard and Raj might be close friends, but do you know all there is know about these pals? This quiz features 12 statements about either Raj or Leonard, and all you have to do is decide who each of these statements relate to.
Was it Raj or Leonard who got married in Las Vegas? Do you know who appeared in People magazine? Only the biggest fans of the show will get every one correct. Let's find out if you can answer them all!
Answers at the end!