Motion Theater System

A motion theater system comprising:

• a theater floor having an upper floor surface located above a theater subfloor, the theater floor defining a platform opening therein, and a theater wall extending upwardly from a periphery of the theater floor;
• a motion platform disposed in the platform opening and dimensioned such that a gap is defined between the motion platform and the platform opening, the motion platform carrying a plurality of seats on an upper platform surface;
• a motion apparatus coupled to the motion platform and operable to hold the upper platform surface substantially coplanar with the upper floor surface in a load/unload position, and further operable to impart rotation, heave, pitch, and roll motion to the motion platform during a show;
• and
• a gap fill arrangement movable upwardly from the theater subfloor to fill the gap such that an upper fill surface of the gap fill arrangement is substantially coplanar with the upper platform surface and the upper floor surface in the load/unload position.