Team Umizoomi's Purple Polka Dot Party is cut short after they learn from their friend Daniel, who is having his birthday party later, that his father, who went out to get the cake, is stuck on a subway train that broke down. So the team has to put their skills to this ultimate test to save him and all the trains passengers. Will they make in time before Daniel's party starts?
- In the "How Does It Work?" song segment, the team learns about how subway runs its operation.
- Some think that this is the Father's Day special, since it always airs on Father's Day, though it airs all year round.
- In this episode, Milli uses Prehensile Ponytail for the first time.
- Observation Skills
- Number Identification
- Subway System