In the cafe, the 2 men who are signing, Man 1: what's his problem? Man 2: I have no idea
The segment entitled, "The First of Sheila," is a play on the whodunit film, "The Last of Sheila."
Ronee responds to Frasier's grumpiness after being woken up by her piano playing by singing, "Got me some ham, some cakes on the griddle/Whoo! Good God, he's a grumpy boy!" This is a takeoff on John Denver's 1975 hit, "Thank God I'm a Country Boy."