A strangely eccentric genius scientist and inventor moves into the home of his daughter and her family and begins to strongly influence his young grandson.
Jerry is tired of the family's dog being so dumb, so Rick builds a device to make it smarter, however the dog becomes a little too efficient. Rick takes Morty into the mind of his maths teacher.
It's Christmas. Rick shrinks Morty, injecting him into a homeless man to save Anatomy Park. Jerry tries to have a Christmas free of electronic devices, but regrets his decision when his parents introduce him to their new friend.
Morty wakes up in a world where everyone wants to be his friend, but only if he hands over the secret to making concentrated dark matter. Rick quickly discovers they are trapped inside a simulation ran by aliens.
After Rick gives Morty a love potion for a school dance, things quickly spiral out of control when the serum splices with the flu - causing it to spread. Rick and Morty scramble to cure the crisis, making matters worse in the process.
Rick, falsely blamed for Murder by the council of Ricks, begins a cross-dimensional pursuit with the authorities while attempting to prove his innocence.
Beth and Jerry head for an iceberg of a date leaving Rick in charge. Morty doesn't get to go on any more adventures if the house isn't in the same condition when they get back.
