Stingray - Season 1 Episode 8 An Echo of Danger
Overview: Phones is convinced that he is unfit for duty when X20's plan to discredit him nearly succeeds. Disguised as a psychiatrist. X20 further discredits Phones' claim that he really did hear the sounding that drew Stingray away from their escort patrol. It's Lt. Fisher who discovers X20's remote sounding device that clears Phones.