Title text: In the LotR map, up and down correspond LOOSELY to northwest and southeast respectively.
Transcript too long for lemmy, check Explain xkcd wiki to get one ;)
These charts show movie character interactions. The horizontal axis is time. The vertical grouping of the lines indicate which characters are together at a given time.
It's kind of complex to follow through and they left out a lot of explaining so you have to use your brain. It's a fun but not great movie. However it's the only one with properly done time traveling logic and after watching it, you will see all other time traveling movies as a joke.
Any movie that forces an entire genre of fiction to measure up against it is a great movie.