CASTLE TONIGHT Castle goes undercover at an elementary school to find the second-grader who may possess information about the shooting of an ice cream vendor. WATCH THE PREVIEW READ: Castle goes undercover as a second-grade teacher...and wets his pants? GALLERY: Nathan Fillion is the king of 'Castle' HOW TO GET AWAY WITH MURDER ON DEMAND Annalise and her students uncover a shocking truth while investigating the case of the CEO of a major brokerage firm. WATCH FULL EPISODES READ: Six of the biggest questions (and answers) about ‘How To Get Away With Murder’ READ: Viola Davis nothing like her character, says cast SAVING HOPE ON DEMAND When Alex and Joel discover a woman needs a transplant, the woman's son is very adamant that he be involved in the surgery. WATCH FULL EPISODES READ: 'Saving Hope': Erica Durance and Michael Shanks on the fallout of Charlie and Alex WATCH: The exclusive digital series now WATCH: Charlie and Alex's steamiest moments THE FLASH ON DEMAND Barry escorts Iris to a university gathering honouring scientist Simon Stagg, and the event takes a dramatic turn. WATCH FULL EPISODES READ: 'The Flash' speeds onto CTV with heart, humour, and heroes Arrow ON DEMAND Lance calls the Arrow when another archer appears in town and starts skewering businessmen. WATCH FULL EPISODES READ: Romance ahead for Oliver and Felicity? GREY'S ANATOMY ON DEMAND Secrets from Ellis Grey's past come to light when Meredith watches old videos and reads through her mother's journals. WATCH FULL EPISODES READ: Will Alex’s friendship with Meredith threaten his relationship with Jo? MARVEL AGENTS OF S.H.I.E.L.D. ON DEMAND While on a mission, Coulson finds himself attacked by the only person he can trust. WATCH FULL EPISODES Corner Gas: The Movie In theatres December 3 Mark your calendars! Corner Gas: the Movie is coming to a theatre near you! WATCH THE TEASER VOTE: Light Up the Map by voting to bring a screening to your town!