The Laugh on Dad is a 1918 comedy Australian silent film. It follows John Forrest, a.k.a. Dad, who is an ostrich farmer. His daughter Jean wants to marry Ralph Bond but Dad is opposed, so he devises a scene where a farmhand will dress as Jean and pretend to marry Ralph. Jean outwits him and the marriage goes ahead. It is considered a lost film.

An aristocratic woman, Lady Isabel, leaves her husband and children when she suspects him of adultery, a notion which had been suggested to her by the scheming and murderous Captain Levison. Life on the continent with Levison does not work out as she had envisaged so, eight years later, she returns to England and finds her husband has remarried. She cannot bear to be away from her family and so dons a disguise, gaining employment with them as a governess. When her young son, Willie, dies she is unable to comfort him as she would like, and she too dies.