Finally, they stop playing sabacc! After, you know, a whole chapter of them playing sabacc again. Meanwhile the smartest brothers in the universe continue their extremely convincing impression of being horny bumbling dumbfucks. So believable, these smart dudes!
System Mastery 
I think you guys (mainly Jon) confused the expressions “Whet your appetite” and “wet your whistle” at the end, there. “Wet your whistle” just refers to having a drink and actually does use “wet” (whistle is old-timey slang for your mouth and throat), “whet your appetite” is closer to what Jon was talking about: Having a small sample of something to build up anticipation.
I miss the funny little clips during the opening theme…