"Les Frères Heureux" (or "The Happy Brothers") from the episode The Innkeepers (Season 2, Episode 23)
Episode 2.23 - The Innkeepers
Episode: IQ Season: 6 Niles was not drunk, he was doped up on allergy pills he took for his dust mite and parchment allergies. For further details, just type into google search "Frasier, IQ, Season 6".
Season 11 Episode 22
Season 4, episode 18: Ham Radio.
Season 1, episode 22 : Author, Author
Episode 2.23 - The Innkeepers
Episode: IQ Season: 6 Niles was not drunk, he was doped up on allergy pills he took for his dust mite and parchment allergies. For further details, just type into google search "Frasier, IQ, Season 6".
Season 11 Episode 22
Season 4, episode 18: Ham Radio.
Season 1, episode 22 : Author, Author
The Cafe in Frasier is called Cafe Nervosa.
season 3 ep 5
From the TV show Frasier? His brother is Niles Crane.
Season 3, episode 24: You Can Go Home Again.
season 5, episode 15: Room Service
Season 4, Episode 22 "Are You Being Served"
Frasier was the older brother, and Niles was the younger.