Although most fans of director Christopher Nolan place movies like "Memento," "Oppenheimer," or "The Dark Knight" as his best works, those with particularly great taste have always appreciated "Interstellar" as his best achievement. This sci-fi blockbuster is the moment where Nolan, so often criticized for being "cold" with his approach to storytelling, decided to aim right for the heart. There's nothing more gut-wrenching than Cooper (Matthew McConaughey) watching the 23 years of messages showing his kids growing up in the blink of an eye — except perhaps for watching poor Coop yell at his former self not to leave his daughter behind. Nolan may be known for his puzzle-box style, but "Interstellar" is remarkably simple: it's a touching, straightforward story about a man trying to get back to his daughter. And also his son, sort of, but mostly his daughter.