If you loved The Thursday Murder Club, a new Netflix film from Harry Potter director Chris Columbus about a group of retirees who solve cold cases, you may already be itching to get to the bottom of the next mystery. Luckily, Watch With Us is here to help solve the mystery of what to watch next. From case-of-the-week classics to more long-form mysteries, these shows feature quirky characters - many of whom are "of a certain age" - and intriguing puzzles for you to solve along the way.