"Intruder Alert": Flashing red lights and similar voice.
Fargo calls S.A.R.A.H. "Hal". Also, the computer says: "I'm afraid, I can't do that." when it refuses to set the humans free.
S.A.R.A.H's prior AI construct before B.R.A.D was hinted "it was a War Games simulation program" then S.A.R.A.H says "Shall we play a game?"
Captions for redubbed last scene have S.A.R.A.H. recommending watching Dr. Phil episode "Has Technology Splintered the American Family?"