References:
Alice in Wonderland -- Monty says "O frabjous day!" and later "Callooh! Callay!", which are both part of the same line from the Lewis Caroll jibberish poem "Jabberwokcy", which is from Alice in Wonderland.
Lady and the Tramp -- Monty and the lady eating spagetti is like the famous scene from Lady and the Tramp
Toys "R" Us -- Chinatown store is Toys "L" Us
Cool Whip -- Homer imagines another alternative whipped topping, Pistol Whip.
Previous Episode References:
--[AABF17] Monty Can't Buy Me Love -- Monty has Stolen the Loch Ness Monster --[1F08] $pringfield -- Mony ran a casino --[2F16] & [2F20] Who Shot Mr. Burns 1 & 2 -- Monty blotted out the sun and was shot by a baby