appisode UK /ˈæp.ɪ.səʊd/US /ˈæp.ə.soʊd/ noun1 •An episode of a show in the form of an interactive software application.Unlike a webisode, an appisode often incorporates interactive features. Players can tap on characters on the screen to make them talk, find hidden objects, or collect items as part of a quest. — 2014 formsappisodes