, also called , are television programs that are a staple of Japanese television and are broadcast daily. All major TV networks in Japan produce a variety of drama series including romance, comedy, detective stories, horror, jidaigeki, thriller, and many others. Single episode, or "tanpatsu" dramas that are usually two hours in length are also broadcast. For special occasions, there may be a one or two-episode drama with a specific theme, such as one produced in 2015 for the 70-year anniversary of the end of World War II.