The official website of Free! -Take Your Marks- film announced on Monday that the new sequel will premiere on October 28 in Japan. Moreover, it revealed the titles of the four parts that will constitute the film.

#1 Unmei no Choice! (Fateful Choice!)

#2 Hitō no Cleaning Down! (Cooling Down at the Secret Hot Spring!)

#3 Kessoku no Butterfly! (United Butterfly!)

#4 Tabidachi no Eternal Blue! (The Eternal Blue of Journeys to Come!) 

The story of Free! -Take Your Marks- sequel takes place on March, when Haruka is trying to deal with the graduation from high school. In this film, four stories will be depicted, a little before the characters move on to the next stage of their future and everything it includes.

The first Free! anime series premiered in July 2013. The second season titled Free! Eternal Summer followed in July 2014, while the High Speed! -Free! Starting Days- film premiered in December 2015.

Sources: animenewsnetwork.com, tym.iwatobi-sc.com