One Day at a Time - Season 4 - Eps 25: Grandma Leaves Grandpa
Ann is all set to go away for the weekend to a ski lodge, however her plans are put to a halt when Grandma Romano drops by with the announcement that she's left Ann's father and now would like to stay with Ann and the girls. Not quite taking her seriously, Ann is dealt a blow of reality when her father drops by needing a place to stay as well.
About One Day at a Time

Title: One Day at a Time
First Air Date: 1975-12-16
Last Air Date: 2005-02-22
Status: Ended
Rating: 6.7/10 (from 57 votes)
Language: EN
Seasons: 10
Total Episodes: 210
Network: CBS
Genres: Comedy
Production Companies: TAT Communications Company, Allwhit Inc., Embassy Television
Synopsis
The misadventures of a divorced mother, two teenage daughters, and new building superintendent in Indianapolis.
Cast

Bonnie Franklin
Ann Romano

Valerie Bertinelli
Barbara Cooper

Pat Harrington, Jr.
Dwayne Schneider

Mackenzie Phillips
Julie Cooper

Boyd Gaines
Mark Royer

Howard Hesseman
Sam Royer

Michael Lembeck
Max Horvath

Nanette Fabray
Katherine Romano