Fry's sneezing reintroduces the common cold to the world of the future, with devastating consequences.
The crew uncovers a dark secret concerning a covert mission undertaken by the Professor and Dr. Zoidberg many years earlier.
Fry nurtures an alien egg that hatches into a horrific monster.
Leela becomes obsessed with hunting down a mysterious four-dimensional space whale.
The crew members alter history when they travel back in time to the American Revolution.