Mr. and Mrs. Sandersons bedroom, where Mom spends her time balancing checkbooks. It's home to Dinah and Funky Phil. It contains a flower bed for the Nectar Flower. It contains the locked case holding Giga-Robo's leg. it contains the most Chibi-Doors in a room.
When the aliens' time machine is activated, this room is the only one Chibi-Robo can access in the past.