Jerry invites his parents over for Christmas dinner with the family, but realizes that, in the time since he last saw them, they've developed a strange relationship with a boy named Jacob. Rick gives a homeless man named Reuben a "health check," and Morty is injected inside Reuben's body to fix an amusement park that Rick has built inside the man's body.
Did You Know?
John Oliver voiced Dr. Xenon Bloom in this episode. Oliver previously played the recurring character professor Ian Duncan in Community (2009), which was also created by Dan Harmon. See more
When Morty and the park employees make it to the food court of Anatomy Park inside Reuben, Marty complains about a bad smell. However, he's wearing a breathing helmet with external air supply. He shouldn't be able to smell anything outside of that. See more
It sounds like you're about to say Jacob is your lover.
No, no, no. Jacob is your mother's lover. I watch them. Sometimes from a chair, sometimes from a closet. Almost always dressed as Superman.
Spoofs Fantastic Voyage