Chef - Only if you know in your gut that you're not going to get any food, or when you're already eating. Either way, this will make you hungry.
Her - It's like watching the future where we're now capable of forging relations with technology. Scarlett Johansson does very convincing voice work that added to the charm of Samantha.
The Fault in Our Stars - If you feel like reliving the whole Hazel-Gus relationship pain.
I know my list likely differs from yours, so what are your picks for a cold or rainy day viewing?