The broadcaster has insisted every measure was taken to ensure "no dog was harmed physically or mentally by the process" of making the show.
Five celebrities remain in the contest – have you worked out their identities yet?
Radio 1's Nick Grimshaw was among the fans, who said Sheridan Smith's new show was "like a health elixir for my brain".
Holly and Phil's faces pretty much said it all.
Stars And Fans In Tears As They Pay Tribute To Billy Connolly Following Emotional ITV Farewell Documentary
The comedy legend marked the end of his career in an ITV special.
Elizabeth Hurley, Lorraine Kelly and Jourdan Dunn are among the stars to look out for.
Sheridan Smith Recreates Classic Gavin & Stacey Scene And She's Still Got American Boy Down Perfectly
The actor played Smithy’s sister Rudi in the BBC sitcom.
She has revealed she was rushed to hospital following the TV Baftas in 2016, after "seizuring five times".
The actress welcomed her “little man” into the world on Saturday.
As the BBC's lunchtime medical soap celebrates its 20th anniversary, we remember some of the famous faces who've dropped by the Riverside Health Centre.