The Hitchhiker's Guide to the Galaxy[1] (sometimes referred to as HG2G,[2] HHGTTG[3] or H2G2[4]) is a comedy science fiction series created by Douglas Adams. Originally a radio comedy broadcast on BBC Radio 4 in 1978, it was later adapted to other formats, including stage shows, novels, comic books, a 1981 TV series, a 1984 video game, and 2005 feature film.