One Day at a Time Season 4 Episode 20 The Piano Teacher ( Air Date 1979-02-21 ) Genre Comedy category. Overview "The baby grand delivered to Ann by mistake belongs to her next-door neighbor, a slightly unstrung piano teacher who begins giving lessons in her living room.".
One Day at a Time Season 4 Episode 20 The Piano Teacher
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- Watch: One Day at a Time Season 4 Episode 20 The Piano Teacher on CWR-CRB
- Stars: Bonnie Franklin, Valerie Bertinelli, Pat Harrington, Jr., Mackenzie Phillips, Boyd Gaines, Howard Hesseman, Michael Lembeck, Nanette Fabray
- Director: Norman Lear, Alan Rafkin
