Zach Galifianakis, Keir Gilchrist, Lauren Graham and Emma Roberts star in this uplifting comedy about finding sanity in the most unlikely of places. Sometimes what's in your head isn't as crazy as you think…that's certainly true for Craig (Gilchrist), a stressed-out teenager who checks himself into a mental health clinic for some time out. What he finds instead is an unlikely mentor (Galifianakis), a potential new romance (Roberts) and an opportunity to begin anew. Charming, witty and smart, it's a coming-of-age story that's kind of a funny story…