UK Premiere Series 4: Tuesdays at 9pm
Brand new to alibi: Mondays at 9pm
Season 2: Wednesdays at 9pm
Jane Rizzoli & Maura Isles are on the hunt for some of Boston's most notorious murderers.
Expert medical examiner Megan Hunt (Dana Delany) uses her instinctive crime-solving nous.
Are you a loyal Castle viewer? Take our quick-fire quiz to find out how much you know.
How closely do you watch Rizzoli and Isles? Take our quiz to test your detective skills.
Here's a full list of recent prize winners on alibi.