TRAILER & KEY ART: Hulu's "The Hardy Boys" Third & Final Season

One last case.

"The Hardy Boys" returns for its third and final season on July 26, and things are getting dangerous for our heroes. Getting in on the action is guest star Bailee Madison ("Pretty Little Liars: Original Sin"), who joins the mix as the mysterious Drew Darrow. Check out the new trailer and key art below!

SYNOPSIS: When Frank (Rohan Campbell) and Joe Hardy (Alexander Elliot) receive mysterious posthumous instructions from their grandmother, they find themselves on the hunt for a third powerful relic - the same one their Great Grandfather was after. However, they aren't the only ones looking it... so the race is on to stop a power from being unleashed on the world! Nothing is what it seems, as The Hardy Boys and their friends face their most dangerous and unpredictable case yet. The future is coming for our heroes, whether they're ready or not.

CAST: Rohan Campbell ("Frank Hardy"), Alexander Elliot ("Joe Hardy"), Anthony Lemke ("Fenton Hardy", Bea Santos "Aunt Trudy"), Keana Lyn ("Callie Shaw"), Adam Swain ("Chet Morton"), Cristian Perri ("Phil Cohen"), Riley O'Donnell ("Biff Hooper"), Alli Chung ("Jesse Hooper"), Krista Nazaire ("Belinda Conrad"), Bailee Madison ("Drew Darrow"), Atticus Mitchell ("J.B.Cox"), Joe Dinicol ("Agent Driscoll")

CREDITS: Season three of "The Hardy Boys" is executive produced by Lambur Production's Joan Lambur, Suzanne Wilson and Madeleine Lambur; Corus and Nelvana's Doug Murphy, Pam Westman and Athena Georgaklis; co-showrunner and head writer Chris Pozzebon ("Blindspot," "Schitt's Creek"), and co-showrunner and head director Jason Stone ("Riverdale," "The Hardy Boys"). Susan Alexander serves as production executive for Corus.