Horrid Henry's Gross Day Out Worlds collide when Henry makes plans to spend Saturday on the sofa watching a "Gross Class Zero" marathon — and his favorite characters come to life! Details Casts Videos Galleries Posters Title Horrid Henry's Gross Day Out Release Date 2020-09-20 Runtime 01 Hours 01 Minutes Genres Family Animation Adventure Production Companies Novel Entertainment Productions Production Countries United Kingdom Sue Elliott-Nichols... ... Emma Tate... ... Lizzie Waterworth... ... Horrid Henry's Gross Day Out the Trailer | Coming soon to Netflix (Trailer) Original Size (1280x720) Original Size (1280x720) Original Size (1280x720) Original Size (2048x1152) Original Size (500x750) Original Size (500x750) Original Size (708x1000)