In the Pilot Chidi tells Eleanor he is speaking French, but in the Good Place each person hears the language that they are familiar with. However, in Chidi's Earth sequence he is speaking English with his friend.
When Eleanor is telling Chidi how she feels, she has nail polish in the longer shot but none in the closeup.
(Around 2 minutes in) Eleanor starts to pull her top together, but when the shot changes, her hands have changed position.
In Tahani's favourite British sitcom, Deirdre is pronounced the American way - in Britain it is pronounced Deirdree.