I've never watched even a single complete episode of TBBT but I've watched hours of clips over the years and gotten a ton of laughs.  I really enjoy the different personalities and when you get to know each of them well, it makes it even funnier.

Here's a clip of Penny and Sheldon exchanges Christmas presents.  (For those who don't know, Leonard Nemoy was the actor who played the Vulcan, Spock, in Star Trek episodes)

Raj normally has trouble talking with women but with a bit of alcoholic coaxing, he becomes a different man.

... and to think my last post was a failure to resist posting cat videos and here we go again! :D

Puuurrrr .... *goes to sleep* ;)