Professor Popper develops a shrinking formula which he and a group of school kids take by accident, ending up trapped in his laboratory. But that's not the only problem that faces the professor and his friends.
Professor Popper's Problem is a 1975 British children's science fiction comedy film directed by Gerry O'Hara, starring Charlie Drake in the title role. Featuring a number of child actors, Todd Carty, Milo O'Shea, and Sydney Bromley also appear. The serial picture was produced for the Children's Film Foundation (CFF) by Roy Simpson of Mersey Film...
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