Things never completely slow down around Odyssey. Alex visits his grandparents for a long weekend, and things get interesting when he sees his grandfather dig up a strange wooden box in the woods. Meanwhile, Marvin Washington takes his first trip back in time in the Imagination Station, where he learns about the role that African-Americans played in the American Revolutionary War. Mysteries abound when Agnes begins to remember an important date, but can't quite remember why, and Aubrey's old friend begins to change in a strange way. Mitch has a tough decision to make about leaving Odyssey and joining the FBI. Find out what's going on with everyone in these 12 new exciting episodes! Recommended for ages 8 and up.