: Earth becomes a paradise where no one has to work, which eventually leads to boredom and a lack of purpose for humans.
: Rick discovers that the dinosaurs' "goodness" creates a balance of negative energy in the universe, attracting a sentient asteroid that destroys any planet they inhabit.
: The episode features a long-awaited reference to "Boob World," which Morty finally gets to visit as a "reward".
Rick and Morty - Juricksic Mort Review - Pop Culture Maniacs