Tuesday night is a busy one for TV this summer, so let us help you figure out what and when to watch tonight with OK!'s handy dandy guide to TV! Here's the 5 shows we'll definitely be watching: Photos: 5 Things to Watch on Mondays This Summer 1. Pretty Little Liars. 8pm on ABC Family. It's finally happening! The season 4 premiere starts off with the girls getting chummy with Mona in the hopes that she can lead them closer to 'A'. Also, Aria avoids Ezra because they broke up and it's awkward. Ugh, sorry for the reminder, #TeamEzria. Read More >>