Quincy finds a harp with a picture of a golden pyramid on it that can play a song to open anything. The team goes on a mission to find the golden pyramid so they can see what's inside!
The team and Loco, the littlest train in the Train Junction, go on a mission through the Wild West to rescue the trains' party supplies when Big Jet steals them.
When Big Jet uses his Seasons Machine to turn spring into summer, winter, and fall, the team goes on a mission to help their friend Tulip find the spring so he can bloom.
The Little Einsteins go on an adventure with a Little Totem Pole to help him create a unique story to tell so he can be the biggest totem pole in the forest.
When the Big and Small Machine breaks, the team shrinks down to miniature size. The LITTLE Little Einseins must go on a mission to find the missing piece so they can fix the machine and become big again.
