Houdini & Doyle (2016)

S5E4 The Sexless Innkeeper

Title: The Sexless Innkeeper Plot: Marshall and Lily are excited about the idea of a double date with Barney and Robin, but their overzealous attempts to impress end up being a major buzzkill. On the other hand, Ted faces disappointment as he discovers that his recent string of female visitors are only using his apartment for a good night's sleep, labeling him a "Sexless Innkeeper." This revelation leaves him feeling disheartened about his dating life.