It's Christmas at Shining Time Station! Stacy Jones is busy helping passengers, Schemer tries to win the role of Santa's helper for the Indian Valley...

Melvin's saga continues as his partnership with Malcom is compromised by an urban superhero's intrusion. Meanwhile, Melvin's mother aids a criminal...

Melvin is an alienated loser until he meets Malcom, a trumpeter cockroach who has a huge talent.