Very good episode, extremely good in fact, the last scene is still making me chuckle now.
Overall, The Big Bang Theory is picking up week by week and although it still is not up there with some of my favourite shows, it is definitely climbing the ladder.
Penny is still my favourite character, and although she doesn't add the element that the others do, laughs at nerds, she brings the show down to earth, and in her own element is funny.
I believe the actress has come along way from her very dumb Disney star of '8 Simple Rules' and I am glad she is has been able to develop like she has.
The show today had some excellent bits, and at last we see that maybe Leonard and Penny might again have that romance that was so prolific in the first series.
The only down side to this episode for me was the lack of Sara Rue, her character is amazing and its lovely for Leonard to actually find a girl who really likes him. I understand that as she is not a permanent member of the cast, she will not always be in the show, but there was no mention of her character at all - though this was probably needed to show the connection between Leonard and Penny.
Altogether a very good episode, and may the writers keep producing some of the pearls they are giving us in Big Bang entertainment.