S2, E38: The Stephens are invited to the Kravitz home to meet Louis Gruber, Gladys's brother. Years before, at the age of eight, when Louis made his debut as a violinist at Carnegie Hall, his knickers fell down. Since then Louis has been banned from playing to the public. When Louis suddenly begins to play, Samantha and Darrin realise he is a brilliant musician. Samantha arranges for him to play at a hospital benefit.