500 Keys
- एपिसोड aired 15 मई 2011
- TV-14
- 30 मि
अपनी भाषा में प्लॉट जोड़ेंWhile Homer takes the Duff Blimp for a joyride, Lisa discovers a secret room in the basement of Sprinfield Elementary School.While Homer takes the Duff Blimp for a joyride, Lisa discovers a secret room in the basement of Sprinfield Elementary School.While Homer takes the Duff Blimp for a joyride, Lisa discovers a secret room in the basement of Sprinfield Elementary School.