500 Keys
Run Time: 22 mins
Air Date: Sun, 15 May 2011
Average Rating: ⭐ 7.2 (21 votes)
FOXSeason 22 - Episode 21
Average Rating: ⭐ 7.2 (21)
After finding the keys to every door in Springfield, Lisa finds a hidden room beneath the elementary school.
Run Time: 22 mins
Air Date: Sun, 15 May 2011
Average Rating: ⭐ 7.2 (21 votes)
FOXSeason 22 - Episode 21
Average Rating: ⭐ 7.2 (21)
After finding the keys to every door in Springfield, Lisa finds a hidden room beneath the elementary school.