[s5e1] — Mort Dinner Rick Andre

While Rick and Nimbus trade insults and sexual tension at the dinner table, Morty starts hopping in and out of the portal to grab wine. However, during one trip, he accidentally leaves a high-tech wine crate behind. A young inhabitant of that world, Hoovy, helps him carry it back but gets trapped in Morty’s dimension for a few seconds. When Hoovy returns home, centuries have passed. His wife is dead, and his son murders him, believing he is a demon who abandoned them. The Rise of a Cyberpunk Enemy

They have steampunk technology and "Wine-Guardians."

As Morty keeps returning for more wine, he witnesses the entire evolution of a civilization built on the singular myth of "The Boy" (Morty). He becomes their Great Satan. [S5E1] Mort Dinner Rick Andre

They are a medieval society dedicated to killing him.

Mr. Nimbus arrives at the Smith house, demanding a formal dinner to negotiate a new treaty. Rick, strangely intimidated by Nimbus (who "controls the police"), tasks Morty with a high-stakes chore: he must retrieve wine from a "Narnia-style" dimension where time moves at an accelerated rate. Rick needs the wine aged for decades, which takes only seconds in that world. While Rick and Nimbus trade insults and sexual

In the end, Morty saves Jessica, but the experience has changed her. Having spent what felt like eons frozen in a time-stasis crystal in the other dimension, she has transcended human emotion. She tells Morty she just wants to be friends because she is now a "Time God."

Morty enters the dimension to save her, and Rick eventually joins the fight after his dinner with Nimbus falls apart. Just as they are about to be overwhelmed by the futuristic tech of the "Narnia" world, Mr. Nimbus saves the day by controlling the water (and the police) to bail them out. When Hoovy returns home, centuries have passed

The episode ends with Rick getting arrested by the literal police (controlled by Nimbus), and Morty sitting on the roof, realizing that his desperate attempt to have a normal night resulted in the destruction of an entire civilization and his chances with his crush.