Brave's New Siren Stinky and Dirty try to fix Brave's broken siren, but the fire alarm sounds and they have to make other loud noises to clear traffic and escort Brave to an emergency call. Demolition Dust-Up Dirty and the other construction trucks work together to build a road but their teamwork fails in a hilarious slapstick manner, until a shared music rhythm gets them all working in harmony.

Follow That Line! It's Race Day in Go City, but when the little truck painting the course line goes off track, so do Red and the racecars. Stinky and Dirty race to the rescue and help the cars find the line and get to the finish line. Seeing Red Stinky and Dirty try to get Red from the car wash to the auto show without getting dirty, ultimately building a car wash right beside the auto show!