Melvin's saga continues as his partnership with Malcom is compromised by an urban superhero's intrusion. Meanwhile, Melvin's mother aids a criminal after being unable to meet with her son.

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

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 Gala Holiday Pageant, Mr. Conductor tells the kids a story about Thomas the Tank Engine and his friends and helps them deal with a bratty kid, while a kind old passenger, Mr. Nicholas, arrives and brightens the holiday for everybody.