The video linked below is part of a playlist of many many videos on cooking with kids at home!
There are also numerous reality TV cooking shows & food-related movies on Amazon Prime Video (Tasty, Gordon Ramsay's Ultimate Cookery Course, Eat the World with Emeril Lagasse, Kitchen Little [so cute!], East Side Sushi, Edible History, Uncommon Grounds [there's a book of the same name too], and The Contender) and Netflix (Emmy-nominated Chef's Table, Great British Bake Off, and Nailed It).
There are also lots of feature films on Amazon Prime Video (Toast, Off the Menu, Love's Kitchen, Chef, An Hour Behind, and Tortilla Soup) and Netflix (Julie & Julia starring Meryl Streep, The Hundred-Foot Journey starring Helen Mirren, Always Be My Maybe, Shopkins: The Chef Club, The Princess and the Frog). There's others you can rent or buy, such as Cloudy with a Chance of Meatballs (with a Netflix TV series now too), Ratatouille, No Reservations, Fried Green Tomatoes, Eat Pray Love, Mystic Pizza, The Devil Wears Prada, Mostly Martha, and Burnt.