Registration for Pilates Reformer Session VI : Registration may be completed by telephone or in person at either facility. You must be a Four Seasons member to register. Session Dates: Sep 7th to Oct 31st - 6 weeks: Fee: $8.00/class Open Registration: Wednesday, August 25, 8:00 A.M. For members who were not in the current session and would like to enroll in the Reformer classes and for members who are currently enrolled and would like to make changes and additions.