Singing Hospital We visit a hospital where the doctors rely on the power of song to cure the patients and top ventriloquist Paul Zerdin is subjected to the Diddy Chat treatment. Details Casts Videos Galleries Posters Season Lists Title Singing Hospital Genres Comedy Kids Release Date 2018-06-29 Episode Runtime 00 Hours 14 Minutes Season Number 4 Episode Number 5 Production Companies CBBC Productions Ted Robbins... Larry Weinsteinberger... Richard McCourt... Diddy Dick... Dominic Wood... Diddy Dom... Diddy TV Theme song - With lyrics in subtitles (Opening Credits) Original Size (1280x720) Original Size (680x1000) Season 1 10 Episode(s) 2016-03-14 Season 2 10 Episode(s) 2016-06-20 Season 3 10 Episode(s) 2018-03-19 Season 4 10 Episode(s) 2018-06-25