What are the connections between Follyfoot episodes, other TV shows or people?
Usual rule one answer at a time.

1. The Helping Hand, Barney, The Challenge and The Letter.
The Colonel didn't appear in these episodes2. One White Foot Charlie and The Letter
Kathy Staff was in both episodes3. The Challenge
The Colonel and Slugger didn't appear in this episode4. The Awakening and Jane Royston
Jane Royston doubles as Lord Beck in the show jumping competition5. Porridge and Someone, Somewhere
Fulton Mckay played the lock-keeper in Someone Somewhere and Mr. Mckay the Prison Officer in Porridge 6. A Day in the Sun, The Letter and Moonstone
Ted Carroll appeared in all three episodes.7. Eastenders and Someone Somewhere.
Pam St Clement - Lady in Cafe in Someone Somewhere and Pat Butcher in Eastenders.8. The Railway Children and Dora/Shadow
William Mervyn was in both these episodes as the Squire and was the "old Gentleman" in The Railway Children film9. Black Beauty and Charity Horse/Know All’s Nag
Len Jones played Willy Willens in the Follyfoot episodes and also appeared in Black Beauty.10. Treasure Hunt and The Four Legged Hat
Betty Turner - played Emily Derwent in Treasure Hunt and Mrs Barrett in The Four Legged Hat