Showcase announced the renewal of Lost Girl for a fourth season on February 28, 2013. Later on the same day, Syfy (U.S.) followed with its announcement of a fourth season renewal containing thirteen episodes, and premiering in 2014.

Showcase announced its 2013 Fall schedule on July 11, 2013, with Season 4 premiering on November 10, 2013, and the show's Sunday night broadcast changing from a 9 p.m. to 10 p.m. time slot.

On October 9, 2013, Showcase announced the broadcast of a Season 4 pre-show special featuring cast-on-cast interviews, exclusive webisode footage and a special fourth season sneak peek.

On October 11, 2013, Showcase announced the start of a four-part original Lost Girl web series leading up to the premiere of Season 4.