After the new furniture is in place, the bedroom scenes show a rack with some of Ricky's suits on it blocking what was (and will be again) the bathroom door as if it isn't there. The bathroom entry had been shown repeatedly as being to the right of the bed(s), with the closet to the left.
At the very beginning, after Ricky finishes singing along with Marco, Ricky asks Marco to call Lucy and Marco mistakenly responds "Okay, Des." Des being short for Desi the actor's real name, and not Ricky his character's name.