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Lofty's Comet is the fifth episode of the fifteenth season.


A comet is due to pass through the night sky over Sunflower Valley. Bob, Robert and the team get to work building an observatory so that everyone can see it.

Original UK Cbeebies air date



  • Final appearance of Robert and Dorothy.
  • Wendy does not appear in this episode.
  • The first time Lofty sings.

In Other Languages

Language Name Meaning
Russian Лофти и комета Lofty and Comet