Margaritaville: They're sitting together at The Last Supper, Butters stops eating and sadly looks at Kenny who is talking to Tweek.
Poor and Stupid: Butters uses Cartman's money to buy blankets and food for a group of NASCAR fans, including Kenny who cocks his head at this.
Bass to Mouth: They're seen walking together in the hallway before Cartman gets their attention, showing that they are now spending time together even without the others.
Going Native: The whole fucking episode.
Obama Wins!: Kenny is the only one who is able to understand Butters after his face swells up.
Informative Murder Porn: Kenny comforts Butters when he's crying, and even keeps his eyes on him while everyone else is looking at Kyle.
Stick of Truth: Butters admits to having a secret crush on Princess Kenny.
Go Fund Yourself: Kenny and Butters give each other The Look, something Stan and Kyle are known for doing.
Cock Magic: Butters worries about Kenny "dying" in Magic the Gathering.
A Boy and a Priest: Butters mentions being invited to Game Night. Later Stan denies having invited him, and he, Kyle, and Cartman all look accusingly at Kenny.
Unfulfilled: Kenny starts working on a bike after seeing Butters get bullied for having an inferior bike. Cartman assumes it's to impress girls, which Kenny neither confirms nor denies.