Season: 11 / Episode: 6
Hello Gutter, Hello Fadder
Date: November 14, 1999
This Television Episode refers to C.H.U.D.
When Homer and Otto descend into the sewers on the bungee rope, they pass three underground societies: the Morlocks (from the 1960 film The Time Machine), the C.H.U.D.s (from the 1984 film C.H.U.D.) and the Mole People (from the 1956 film The Mole People)