The black and white portrait of a man seen in the background of the Denver council meetings shows John Elway, boss of the Denver Broncos.
Cartman threatens to run away and live with his grandmother. Cartman's grandmother died prior to the episode Cartmanland.
When Cartman tells the other boys it wasn't his fault his mother lost her house, he is of course lying. It was his fault alone, as shown previously in City People (2022).