Season 10: Episode 5 - That's Not What They Call It In Amsterdam

That's Not What They Call It In Amsterdam: After a series of failed blind dates, Walden thinks he should be single for a while…until he meets Rose. They hit it off and Walden comes home to tell Alan about Rose. Alan warns Walden of Rose’s stalker like tenancies and advises against pursuing anything. A few nights later Alan comes home to a dark house with the lamp on the floor and bursts into Walden’s room thinking someone has broken in only to find Walden bound and gagged on the bed. Walden tells Alan to get out because he and Rose are having the best sex ever. Yes, Rose has been keeping tabs on the house and was waiting for the ideal moment to pounce.