Joan Sanderson

Kermit the Frog, The Great Gonzo, and Fozzie Bear are reporters who travel to Britain to interview a rich victim of jewel thieves and help her along with her secretary, Miss Piggy.

In this spin-off from the ITV television series "Please Sir!" which ran from 1968 to 1972, Mr Hedges takes his class on a field trip, with disastrous consequences.