ABC has announced its fall premiere dates and the second season of 'The Bachelor' will premiere on Wednesday, September 25th at 9PM EST. ABC will air three eight-episode arcs of the reality series. The first and last arcs, like the original, will feature single bachelors. As previously reported, the middle arc will be called 'The Bachelorette' and feature Trista Rehn, the 29-year-old physical therapist from the first season