Q.E.D.

The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun Cassidy as amateur sleuth brothers Frank and Joe Hardy, respectively, and Pamela Sue Martin as girl detective Nancy Drew. The Hardy Boys/Nancy Drew Mysteries was unusual in that it often dealt with the characters individually, in an almost anthological style. That is, some episodes featured only the Hardy Boys and others only Nancy Drew.

An English aristocrat and an American millionaire come together to tackle crime.

Nothing is as it seems in this hilarious murder mystery where each suspect's story is told through a different film genre.

Scooby-Doo and the Mystery, Inc. gang are launched into the 21st century, with new mysteries to solve.

The Mystery Inc. gang solve bigger mysteries while also encountering many memorable celebrities.

The gang decide to go traveling in the Mystery Machine, seeking fun and adventure during what could possibly be their last summer break together. However, havoc-wreaking monsters seem to be drawn to them, appearing almost every stop of the way.

Chip and Dale head a small, eccentric group of animal characters who monitor not only the human world, but the animal community as well, solving mysteries wherever they may be. The "Rescue Rangers" take the cases that fall through the cracks.

Sylvester and Tweety help out when Granny opens a detective agency.

This incarnation of the popular cartoon series finds Scooby and the gang living in Crystal Cove, a small town with a long history of ghost sightings, monster tales and other mysteries ripe for the sleuths to solve once and for all. But the longstanding Crystal Cove residents, who bank on the town's reputation to attract tourists, are prepared to do what it takes to protect their turf.

Sleuthy foster siblings Max, Tess, Sal, Anika, and Daniel Hunter find new quests, more mysteries, and even new Hunter sibs!

Legendary highwayman Dick Turpin sets out on a series of wildly absurd escapades when he's made the reluctant leader of a band of outlaws—and tasked with outwitting utterly corrupt lawman Jonathan Wilde.

With her son grown up, single mom Pearl Nolan decides to pursue her lifelong dream and launches a private detective agency, which she runs from her family's restaurant in the coastal town of Whitstable. Drawn by her caring nature, locals soon flock to her with all manner of cases. But when an old friend dies suspiciously, Pearl finds herself in conflict with gruff new cop in town, DCI Mike McGuire.

Backwoods bounty hunter Hub Halloran comes back from the dead with an unexpected second chance at life, love, and a nearly-forgotten musical career — only to find that his old job now has a demonic new twist.

Eccentric detective Terry Seattle teams up with clueless celebrity guest stars to investigate a series of murders in this improvisational crime comedy.

Detective Inspector Max Arnold lives on a battered houseboat at the end of Cheyne Walk after separating from his art dealer wife Astrid. The son of a local bookshop owner, Max is a far cry from the affluent elite whose crimes he'll help solve along with D.C. Priya Shamsie.

Odd Squad saves the day whenever something unusual happens.

Marvin Flute may be the greatest detective ever to catch a cannibal clown or correctly identify a mid-century modern armoire. But there’s one mystery he still can’t crack — his family. Now that he's back in Grimsburg, a town where everyone has a secret or three, Flute will follow every lead he’s got to redeem himself with the ex-wife he never stopped loving, even if it means hanging out with the son he never bothered to get to know.

A crew of kid pirates - leader Jake and pals Izzy and Cubby - and their Never Land adventures as they work to outwit two infamous characters, the one and only Captain Hook and Smee.

A rootless genius, Iris Nixon, steals an enigmatic code from a charming philanthropist and disappears. A tense countdown ensues as she races to unravel the code's mystery.

Jimmy Neutron is the smartest kid in town. As a genius, Jimmy thinks most things can be solved with the invention of a new gizmo. But Jimmy usually takes the easy way out, and his backfiring gadgets result in comedic adventures.