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It is seen briefly when the Simpsons visit London.
Big Ben's analogue clock was replaced with a digital clock and it could blast off like a rocket.
- Episode – "Lisa's Wedding"
- Episode – "The Regina Monologues"
- Episode – "The Food Wife"
- Episode – "Holidays of Future Passed"
- THOH – "Treehouse of Horror XXIII" (Opening segment)
- THOH - "Treehouse of Horror XXV"
- Comic book – The City of London this Summer
- The Simpsons 2013 Fun Calendar