In stark contrast to the gritty sci-fi of Rick and Morty , the procedural drama Castle used an alternate universe to examine its central romance.
In this world, Castle never met Detective Kate Beckett. As a result, Beckett's mother's murder was never solved, and she never found happiness. She is a hardened, isolated Captain of the 12th Precinct who treats Castle like a complete stranger. [S7E5] Alternate Universe
The episode breaks outside the "Central Finite Curve"—the walled-off portion of the multiverse where Rick is always the smartest man alive—to show how actual multiversal travel operates without Rick's totalitarian boundaries. In stark contrast to the gritty sci-fi of
The story introduces the "Omega Device," a terrifying weapon capable of erasing every single alternate-universe variant of a person across all of infinity simultaneously. She is a hardened, isolated Captain of the
Rick and Morty used this mid-season milestone to pay off years of multiversal lore, heavily featuring and Rick Prime .
An analytical breakdown of both features showcases how these two vastly different shows used the concept of an alternate universe to challenge their main characters. 🔬 Feature 1: Rick and Morty (S7E5 – "Unmortricken")