On the third Saturday of every month, the Fleet invites adults and families with children with autism to enjoy the Fleet’s exhibit galleries in a quieter setting, an hour before regular open hours to the general public and with access to a special cool-off space. Admission includes a special IMAX film screening at 10 a.m. with the house lights on and a lower soundtrack volume. Regular admission rates apply. Visitors are welcome to stay and enjoy the museum all day. Early access to galleries 9 a.m.–10 a.m. Special IMAX showing at 10 a.m.