Parasites Regained

Production
The writer of record for this episode is Maiya Williams.

Allusions

 * The title of this episode is a reference to the 1671 poem .

Continuity

 * Dave Spiegel, and his owner, Fluffers, from the episode The Day the Earth Stood Stupid, are seen in Scoopy-Poo Dog Park.
 * The coffee shop across the street from the Planet Express Headquarters is seen again, this time visited by Leela and Nibbler