Bender is still down in the basement from Simpsorama. He is waiting 1,000 years to make it back.
The polish Lisa uses on her saxophone is named for famed jazz tenor saxophonist Stan Getz.
The doors of all the front load washers in the episode are shown hinged on the right side, opening left to right. In fact, all front load washers open right to left.
The score that Homer hears when he tastes the BBQ is a very similar score to his "land of chocolate" fantasy in Burns Verkaufen der Kraftwerk from season three.
During the end credits montage, the scene subtitled "After the Waterless Flood" is a reference to a dystopian novel by Margaret Atwood, called The Year of the Flood.