Futurama - Season 4 Online

The complete set is available in the Futurama: Volume Four DVD/VHS box set . Key Story Arcs & Character Development

Season 4 was initially intended to be the series finale following Fox's decision to cancel the show due to low confidence and erratic scheduling. Consequently, the season contains several "landmark" episodes that resolve long-standing mysteries, such as Leela’s true origin and Fry's destiny as "the chosen one". Futurama - Season 4

In "Leela's Homeworld," it is revealed that Leela is not an alien but a mutant whose parents gave her up to the Surface World orphanage to provide her with a better life. The complete set is available in the Futurama: