When Derek introduces himself to Chidi and Eleanor, he says "Derek Hofstetler, PI." Jason Mantzoukas (Derek) also stars as Adrian Pimento in 'Brooklyn Nine Nine' who briefly becomes a Private Investigator. And Kristen Bell (Eleanor) is well known from the TV show 'Veronica Mars' where she plays a teen private eye.
This episode attracted 3.97 million viewers when it first aired.