Community·Updated on Jul 27, 2020. Posted on Jul 27, 2020We Want To Know The Best Crossovers In TV And MoviesTell us about the times fictional universes collided.by Hanifah RahmanBuzzFeed StaffFacebookPinterestTwitterMailLink We all know that TV shows and movies exist in their own, constructed universes. Tap to play or pause GIF Tap to play or pause GIF NBC But sometimes, worlds collide. So tell us: what's your favourite fictional universe crossover? ABC Do you love the fact that in Friends, phoebe's evil twin Ursula is a real character from Mad About You? NBC Perhaps your favourite episode of Brooklyn Nine-Nine was when Jess from New Girl showed up. Fox Or maybe you still can't get over the time that The Simpsons and Family Guy's worlds collided. Fox Whatever they are, tell us your favourite crossovers, and you could be featured in a future BuzzFeed Community post or video!