 Garden was studying medicine during the early series of "I'm Sorry, I'll Read That Again", and this commitment made it difficult for him to be a member of the cast during the third series because of a midwifery medical course in Plymouth.However, he continued sending scripts for the radio show by mail – and rejoined the cast upon his return to his medical studies in London.On several occasions his medical qualifications are lampooned; in the 25th Anniversary Show, David Hatch asks him if he is still a writer.