Complex sentence: The second volume premiered on July 4,2014, at RTX and to the general public on July 24,2014, folllowed by the third volume on RoosterTeeth.com on October 24,2015.
Split into simpler sentences: The second volume premiered on July 4,2014, at RTX and to the general public on July 24,2014. The third volume will premiere on RoosterTeeth.com on October 24,2015.