Just caught up with another of last season's "The Big Bang Theory" eps. In this one, Leonard and Penny have a fight about her old "friend" coming to her apartment to sleep on her couch and Sheldon-who hates hearing arguments anytime since they remind him so much of his parents-tries to drown them out to no avail. It doesn't get any better when Sheldon visits Howard (who, as usual, has issues with his mother) or Raj (whose parents on the internet are trying to convince him to attend a cousin's wedding) so he goes to the comic shop, where a still-smitten-with-Penny worker Stuart still is employed, to visit an "alternate universe"...This was another hilarious episode of "TBBT" especially whenever Sheldon holds sway during his scenes. Actually, everyone is great here including the person who plays Stuart. So on that note, "The Guitarist Amplification" comes highly recommended.