Scooby-Doo! Mystery Incorporated (2010)

S1E17 Escape from Mystery Manor

The gang embarks on an adventure to uncover the truth behind the original Mystery Incorporated's last case involving the long-missing Darrow Family and their mansion, which has been shrouded in mystery for 75 years. However, they soon find themselves ensnared in the booby-trapped underground of the Darrow Mansion. Can they unravel the mystery and make it out alive?