The cricketers Raj mentions at the bar, Ravichandran Ashwin, Hardik Pandya and Virat Kohli, are all real professional Indian cricket players.
Bernadette mentions that she still doesn't like Howard's juggling act. This alludes to The Closet Reconfiguration (2013), where Bernadette admitted that she had hidden Howard's juggling pins inside his overstocked closet.
Title reference: Sheldon starts working in the field of geology.
In this episode there is a reference to the show "The Bachelor". Additionally the song "Paradise" is used, which is a reference to the show "Bachelor in Paradise".