Learn English with Peppa Pig - Secrets (S1 E13) June 21, 2017 Get link Facebook X Pinterest Email Other Apps Season 1 Episode 13 English - English subtitles Mummy Pig gives Peppa a box, which has to be kept a secret. Peppa puts a secret toy inside the box. Mummy Pig then makes a secret box for George, so he can also have a secret toy.