Professor Nicholas claims to be a man of science, but that might change after he and his wife take their five adopted children (A.J., Adam, Rachel, Allison and Cinnamon) on a trip into outer-space. The space traveler's journey takes them to two distant planets. One of the planets is yellow and the other one looks much like Earth. The five children and Mrs. Nicholas can't explain it, but they feel strangely drawn to the yellow planet. To their amazement...