Things to do in Toronto this week include a post-to-pay camp-themed pop-up, the return of one of the city's most-anticipated weekly vendor markets and a brand-new rock and roll-themed immersive experience. Know-it-alls are in luck this week, as a number of trivia nights, covering everything from Gossip Girl to Shrek, are taking over bars across the city. To view the full listings or find out even more things happening in Toronto this week, be sure to visit our events page. Here's our round-up of things to do in Toronto this week.