The 25-episode first anime season of Tappei Nagatsuki’s Re:ZERO -Starting Life in Another World- light novel series premiered in April 2016.
Yen Press is publishing the light novel series in English, and is also releasing Daichi Matsuse’s manga adaptation of the series, as well as the Re:Zero Ex spinoff light novel series.
Crunchyroll is also streaming both the Re:Zero ~Starting Break Time From Zero~ and Re:PETIT ~Starting Life in Another World from PETIT~ short anime spinoff series.
The first OVA episode in the franchise, Re:ZERO -Starting Life in Another World- Memory Snow, opened in Japanese theaters in October 2018 at #8.