Grange Hill: Series 17 (1994)

Mr. Robson and Justine collect an American teacher, Martha Jordan, from the airport. Mrs. Keele cuts up her credit card and throws away the pieces, but Anna Wright cunningly reassembles them...Josh's war memorabilia threatens an explosive end to the Germany trip, Mrs. Monroe treats her class on her last day, Martha decides she can't quit the U.S., and Justine and Maria leave their school days behind...