Gad created the series as a result of being stuck at home during the COVID-19 pandemic, during which he turned to watching films from his childhood which had influenced his own life with his own children.

[1] Gad considered that many of these films would not be possible to make in the current period of Hollywood and were inventive at their time, and thus worthwhile to explore through this series.

Further, Gad felt many of these films lack the cynicism that had built up due to the coronavirus and would help alleviate viewers' morale.

[2] He stated, "I thought, 'How great would it be, at a time when people are longing for simple nostalgia, to bring together casts from some of the iconic films that were part of my journey?

Reunited Apart has been compared favorably to Some Good News, another web series created by John Krasinski that was aimed to raised spirits during the pandemic.