The first episode in the series where Rick and Morty share no audible dialogue.
The scene where Rick drags Jerry out of his bed naked is an homage and parody to the pilot episode's opening scene where Rick did this to Morty.
The planet with Whirly Dirly alludes to Westworld Park, where visitors pay to perform their adventures and can't die.
First episode featuring Jerry on an adventure with Rick.
The code to unlock the compartment behind Rick's billboard involves moving the only un-connected pin to the bottom-righthand corner of the blue piece of paper.