Rick is a frantic researcher who drags his grandson, Morty, on insane science fiction experiences. Their adventures frequently have effect for their family and whatever remains of the world.
Repeat viewings are essential to parsing the slight differences of the many realities at play, but the show doesn't have as much fun with the concept as it feels it should.
What Roiland and Harmon are doing is asserting the value of sentimentality, cloaked in Lovecraftian postmodernism and delivered by one the most sardonic characters in the history of television.
It isn't relying on shock humor or simply being as bizarre as possible. There's thought here, there's polish, they want to make sure you can see the work put into this.