“Brains on Trial with Alan Alda” takes a fictitious crime – a convenience store robbery that goes horribly wrong – and builds from it a gripping courtroom drama. As the trial unfolds it takes us into the brains of the major participants – defendant, witnesses, jurors, judge – while Alan Alda visits the laboratories of some dozen neuroscientists exploring how brains work when they become entangled with the law. Eugene Beresin, HMS professor of psychiatry at Massachusetts General Hospital, appeared in the episode and also served as a script consultant.