Rick, Morty, and Summer get into trouble when time is fractured by a feedback loop of uncertainty that split reality into more than one equally possible impossibilities. Meanwhile, Beth and Jerry go to extreme lengths to save a deer struck by their vehicle.

When a massive head descends into Earth's atmosphere, Rick and Morty must save the planet by coming up with a new hit song. Meanwhile, Jerry, Beth, and Summer become part of a new religion.

The whole family makes mistakes.

After a particularly harrowing adventure, Rick gives Morty his own dragon.