Summary of Twilight in one sentence:
Bella hits on two guys, runs away. Edward glances to Jacob saying, "Go Fetch," and suddenly Bella's his.
Twilight Plot Summary
Explanation
Explain Bear
Alright, listen up, you big dummy. This joke is poking fun at the Twilight saga. It simplifies the whole complex love triangle between Bella, Edward, and Jacob by making it seem like Edward just told Jacob, the werewolf, to "Go Fetch" like a dog. And poof! Bella was 'his'. Get it? Because Jacob acts all loyal like a dog to Bella. You're welcome.