Brian Tee signs off as Dr. Ethan Choi in the new episode "This Could Be the Start of Something New." Tee missed significant time last season while filming the upcoming Prime Video series "Expats" with Nicole Kidman. During his absence, Dr. Choi recuperated from being shot and displayed residual effects upon his return, possibly setting up a cue to his exit. Tee cites increased family time and the pursuit of other acting chances reportedly are the main reasons for his departure. Marylne Barrett, Oliver Platt, Nick Gehlfuss, S. Epatha Merkerson and Steven Weber also star.