Watch The Laugh on Dad Full Movie Free Online 123Movies. 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.