Due to the impact of the COVID-19 pandemic on television, Fox pushed back the premieres of some scripted series to later in the year and opted to create Celebrity Watch Party as one of two shows—along with The Masked Singer: After the Mask—that could be produced remotely to fill the programming gap.

[2][3] The initial celebrity participants announced included Rob Lowe, Meghan Trainor, Joe Buck, Raven-Symoné, Master P, Romeo Miller, Vanessa Hudgens, JoJo Siwa, Steve Wozniak, Curtis Stone, and Robert and Kym Herjavec.

[5] Justin Long, Jesse McCartney, Jodie Sweetin, Andrea Barber, and Lindsay and Aliana Lohan later joined as participants in future episodes.

Vanessa Hudgens e Celebrity appearances include Reggie Bush and his wife Lilit, Romeo & Master P, Justin Long and his brother Christian, Raven-Symoné with her friends Brian and Austin Brown, Curtis Stone & Lindsay Price and Lindsay's brother Brian, the Osbournes, Tyra Banks and her mother, Steve Wozniak and his wife Janet, JoJo Siwa and her mother Jessalynn, Joe Buck and Michelle Beisner-Buck, Robert and Kym Herjavec.

Celebrity appearances include Romeo and Master P, Tyra Banks and her mother, JoJo Siwa and her mother, Justin Long and his brother Christian, Curtis Stone & Lindsay Price, the Buck family, Steve and Janet Wozniak, Reggie and Lilit Bush, the Osbournes, Jesse McCartney and his fiancée Katie, Raven-Symoné and her friends.