Continuity mistake: When Stan demonstrates the toy bus on Blakey's desk everything that was on Blakey's desk top has suddenly disappeared.
Revealing mistake: When Stan and Jack are kissing the clippies as they come out of the ladies, if you look through the slits in the door you can see the next clippie who comes out and kisses Blakey waiting behind the door for her cue.
Plot hole: In Blakey's office Stan shows Blakey the toy bus he has just brought for his nephew. How can Stan have a nephew when he isn't married and his only sibling is his sister Olive, who doesn't have any children?