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Bob's Big Idea is the second episode of the fifteenth season.


Bob is having trouble coming up with his own ideas for his dream house in Sunflower Valley.

Original UK Cbeebies air date



  • Sunflower Valley
  • Bob's Yard (Sunflower Valley)
  • Spud's Straw House
  • Bob's Sunflower Valley Home (debut)
  • The Machine's Sunflower Valley Shelter (Original Version)


  • The plot of this episode appears to be recycled from Skip's Big Idea (Season 9).
  • Bob says Lofty's catchphrase after the machines say, "Can We Fix It?".
  • This is the last appearance of the machine's original Sunflower Valley shelter before Roley accidentally destroys it in Roley Brings the House Down (Season 15).
  • This was the second episode where Wendy cries, the first one was Pilchard in a Pickle (Season 1).
  • Bob and Wendy share a hug for the sixth time.

In Other Languages

Language Name Meaning
Russian Большая идея Боба Bob's Big Idea