In the spaceship graveyard are : Apollo space capsule with booster rocket ; Apollo lunar module ; Electric Light Orchestra flying saucer ; Skylab ; spaceship from the album covers of the band Boston ; and movie references mentioned in "Connections" section.
Leela's line "we're going for a sleigh ride"; is a reference to a Nantucket sleigh ride. This is a term from the days of the east coast whaling industry; where a Nantucket sleigh ride was when one of the whaling boats got pulled across the ocean by a harpooned whale.
The title of the episode of both a reference to Moby Dick, the white whale in Hermann Melville's novel, and the Möbius strip, a mathematical notion of a non oriented object with only one edge and one side. Following the mathematical references, the exhalation of the whale, when Bender sees it through the carton tube, resemble a fractal.