[2] Executive producer Norman Lear's company, Act III Productions, approached Sony Pictures Television with the idea of reimagining the original series with a Latino family.

[4] The series features an ensemble cast starring Justina Machado, Todd Grinnell, Isabella Gomez, Marcel Ruiz, Stephen Tobolowsky, and Rita Moreno.

The re-imagination of the original CBS sitcom tackles issues like mental illness, immigration, sexism, homophobia, gender identity, and racism that Hispanic people living in the United States face.

[30][failed verification] The series depicts the everyday life of a Cuban-American family with each character finding their own journey.

After her husband's alcoholism due to post-traumatic stress disorder (PTSD) from his time in the Army made it, in Penelope's words, 'unsafe to be in the house', she separates from Victor, taking the children with her.

Towards the end of the season, Lydia suffers a stroke and begins to hover between life and death, though she ultimately survives.

Alex is grounded for most of the season for going to Bud-E Fest but gets un-grounded when Penelope finds out how he handled Schneider's relapse.

[13][43] The premiere episode was simulcast on the ViacomCBS cable networks Pop, TV Land, and Logo (CBS and Viacom had merged in the interim in early December 2019).

[26] In December 2020, Kellett and Royce discussed the planned storylines for the unfilmed episodes remaining in season four with Entertainment Weekly.

[48] The castings of Stephen Tobolowsky as Dr. Berkowitz, Penelope's boss, and Todd Grinnell as Schneider, a superintendent, were subsequently announced.

[54] When the series' fourth season premiered on Pop, the theme song was excised due to time constraints.

The website's critical consensus reads, "One Day at a Time breathes fresh life into the classic Norman Lear original with a lively, sharp, and proudly old-school sitcom bolstered by a surfeit of heart and terrific performances from Rita Moreno and Justina Machado.

"[55] Metacritic, which uses a weighted average, assigned a score of 79 out of 100, based on 23 critics, indicating "generally favorable reviews".

[65] David Wiegand of the San Francisco Chronicle added, "The show is nicely written ... and the performances [especially Moreno's] are almost universally engaging".

[66] Verne Gay of Newsday praised Machado's performance as "flat-out terrific" and called the first season a "congenial, good-hearted, easy going, sentimental, old-fashioned and surprisingly new-fashioned."

"[67] Kelly Lawler at USA Today noted that Elena's coming-out arc in the first season has drawn special praise from LGBT critics for its "unique, realistic and refreshing take on the subject... the depiction of a young, happy Latina lesbian comes as a hopeful sign for many.

"[68] Autostraddle's Yvonne Marquez called the arc "mind-blowing",[68] and stated that the show revolutionary because "it centers the family's brownness and provides ample social commentary to deliver a fantastic modern-day sitcom.

The site's critical consensus reads, "One Day at a Time continues its ascent into classic sitcom territory without losing sight of its modern identity.

The site's critical consensus reads, "As layered, loving, and laugh-out-loud funny as ever, One Day at a Time successfully does the network shuffle without missing a beat.