The Simpsons (1989)

Episode Overview

Lisa sneaks into a convent to retrieve Maggie, who was mistakenly taken in by the nuns. While there, she stumbles upon a set of mysterious clues pointing to a hidden gem in Springfield. Teaming up with local history enthusiasts Principal Skinner and Comic Book Guy, Lisa embarks on a quest to locate the elusive treasure. However, the Springfield Freemasons are also pursuing the jewel, forcing Lisa to hurry and secure both the gemstone and her sister’s safe return before it's too late.