Frasier 1x01 - The Good Son
Frasier 1x02 - Space Quest
Frasier 1x17 - Midwinter Night's Dream
Frasier 2x14 - Fool Me Once, Shame On You. Fool Me Twice
Frasier 2x16 - The Show Where Sam Shows Up
Frasier 2x21 - An Affair to Forget
Frasier 3x13 - Moon Dance
Frasier 5x11 - Aint Nobody's Business if I Do