Mark Hamill and Valerie Bertinelli in One Day at a Time (1975)

John Hillerman in One Day at a Time (1975)

Valerie Bertinelli, Bonnie Franklin, Pat Harrington Jr., and Mackenzie Phillips in One Day at a Time (1975)

Bonnie Franklin in One Day at a Time (1975)

Pat Harrington Jr. and Darrell Larson in One Day at a Time (1975)

Pat Harrington Jr. in One Day at a Time (1975)

Valerie Bertinelli in One Day at a Time (1975)

Valerie Bertinelli, Bonnie Franklin, Pat Harrington Jr., Mackenzie Phillips, and Mary Louise Wilson in One Day at a Time (1975)

Valerie Bertinelli and Mackenzie Phillips in One Day at a Time (1975)

Valerie Bertinelli and Pat Harrington Jr. in One Day at a Time (1975)

Valerie Bertinelli and Bonnie Franklin in One Day at a Time (1975)

Valerie Bertinelli, Bonnie Franklin, and Mackenzie Phillips in One Day at a Time (1975)

Mackenzie Phillips in One Day at a Time (1975)

Bonnie Franklin and Mackenzie Phillips in One Day at a Time (1975)

Bonnie Franklin and Richard Masur in One Day at a Time (1975)

Valerie Bertinelli, Nanette Fabray, and Bonnie Franklin in One Day at a Time (1975)