Last night’s episode of Rick and Morty brought us back to more familiar territory, with the titular drunk maniac and his titular vacuous grandson trapped on an alien planet in which face-sucking parasites alter their minds into thinking Summer is a queen. Yeah, that’s a whole lot to absorb, but when compared to last week’s episode, which was literally about series co-creator Dan Harmon’s writing process, this was a breath of egg-farting fresh air. I promise that analogy will make sense once you’ve watched the episode. In case that wasn’t a …