Episode Info Transcript

Choo-Choo! is the 6th episode (3rd in earlier airings) of Dora the Explorer from Season 1.



Azul the Blue Train does not have a whistle, so Dora and Boots decide to help him win one in a big train race. Can the viewer help too?


The episode starts with Dora and Boots at the train station to see the trains. On their visit, Dora and Boots saw a large green train, a medium red train, and a little blue train named Azul. The red and green trains had whistles. But Azul, the blue train, did not, causing the other trains to make fun of him. Val the Octopus makes an announcement through the speaker saying that there is a big train race today. She also mentions that the first train to cross the finish line at the big yellow station wins a brand new whistle. Azul the blue train did not know how to get to the big yellow station. Dora and Boots ask Map for help. He says that they have to go over a big mountain and through a dark tunnel to get to the big yellow station. Dora and Boots climbed on Azul the blue train. Val the Octopus calls out to all the trains to start their engines. She then said "on your marks..., get set..., go!" and the race was started. Dora and Boots rode on Azul to the big mountain. Azul tries to trundle his way up the mountain but it was too tall. Dora and Boots gave Azul some encouragement. They cheered for Azul as he trundles his way up the mountain. After that, Dora and Boots get to the tunnel. Dora stops Azul and he asks why. Dora told him that it is dark in the tunnel and they will not be able to see where they are going. Dora checks Backpack for something they can use to see in the dark. Backpack had a flashlight which was just the right tool to use to help them see in the dark. Dora and Boots enter the tunnel riding Azul the blue train. Once inside, their voices amplified. Suddenly, they heard another train coming in a different direction on the same track. Dora and Boots had to figure out how to stop the gray train before Azul bumps into him. Azul did not have a whistle. So, Dora asks the viewer to be their lookout. Dora and Boots had to imitate a train whistle to get the gray train to stop. They say "choo choo" a couple of times and sure enough, the gray train stopped just in time. Azul the blue train had to go through the tunnel. So the gray train backs up while Azul went forward through the tunnel. Then, Azul took Dora and Boots out of the tunnel and the gray train switched to a different track and waits in a siding. The gray train wanted to know the reason Azul was going so fast. Azul explains to the gray train that he was in a race to get to the big yellow station and is planning to win a whistle. Azul thanked the gray train for letting him pass and then he had to get going and make it to the big yellow station. Azul the blue train surpasses the red and green trains. Boots tells Dora that nothing can stop them now, not even Swiper. Dora does not know so she decides to ask the viewer to lookout for him. They pass him but then Swiper gets on a pump cart and goes after Dora, Boots, and Azul. Swiper changes tracks and overtakes them. Swiper was planning on swiping the train tracks. Azul the blue train stops and Swiper hides the train tracks. Dora and Boots climb out and had to figure out what shape the tracks were and what color they were. The tracks were square and were colored blue. Now, they counted how many train tracks Swiper swiped. There were 5 missing train tracks. Now, Dora and Boots had to figure out where they are. With the viewer's help, they find some blue squares and they also see a blue triangle and a green square. But they managed to find all the squares that were blue. They counted once more to make sure they had 5 blue train tracks that are shaped like squares. After that, each train track gets put back into place one by one until all the gaps were filled up. Now that all the train tracks are put back into place, Azul carried on with the big train race. Azul was falling behind. The viewer, Dora, and Boots cheered for Azul. The cheering was working and Azul went faster. Azul went so fast that he gets to the finish line first at the big yellow station. Azul was proud that he won the big train race. The red and green train were in shock and thought there was a mistake. There was no mistake at all and Val the Octopus announced that the winner was Azul the blue train. Val the Octopus was about to put the new whistle on Azul the blue train when Swiper was nearby. He peeks behind Dora and Boots and jumps off Azul. Swiper was heading for the whistle. Dora, Boots, Azul, and Val the Octopus stop Swiper by saying "Swiper no Swiping". Swiper gets stopped and runs away. Val puts the new whistle on Azul and gives the whistle a test to see how it works, causing the other trains to accept him.

Places in this episode

  1. Mountain
  2. Tunnel
  3. Big Yellow Station


This episode is released as a bonus on the DVD releases Cowgirl Dora and We're a Team!

Items in Backpack

  • Toy airplane
  • Mittens
  • Teacup
  • Jack-in-the-box
  • Sunglasses
  • Flashlight (correct item)


  • This is the 6th episode of the show (3rd in earlier airings).
  • The whistle given out at the race is gold, therefore if the red or green train won it, the whistle would most likely not look correct.
  • The voices of Benny, Tico, and Isa appeared in the end credits, but Benny, Tico, and Isa don't appear in this episode.
  • The Blue Cursor is going fast, just like in the previous episode.
  • During the Travel Song:
    • Dora and Boots do not list the places they are going, they instead repeat "Chugga-chugga-choo-choo!" four times at warp speed in its place.
    • After asking "Where are we going?", they say the achievement Azul was going for ("to win the whistle") instead of their destination.
      • Also, this is the first episode where the Fiesta Trio don't jump to shout out the last place after Dora and Boots ask "Where are we going?" during the song. Azul says "To win the whistle." instead of the last place.
  • This is the second episode Dora gets mad and the first episode Boots gets mad when the green train and red train are making fun of the blue train Azul, Dora first got mad in Lost and Found.
    • Even though Dora and Boots get mad at the two trains laughing at Azul, Dora doesn't make an angry face when she tells them to stop making fun of Azul, only Boots makes an angry look telling them it is not nice.
  • When Dora asks the viewer what his or her favorite part was, she doesn't ask "What was your favorite part of the trip?", she instead asks "What was your favorite part of the race?".
  • This is the first episode to find Isa.
  • In earlier airings of this episode, this is the first episode to air on Nickelodeon during primetime instead of airing on Nick Jr.
  • Swiper technically says "Oh Man" in a furious way after everyone says Swiper No Swiping!.
    • This was the only episode Swiper was furious after failing.
  • When Dora asks the viewer to check Map, Dora doesn't ask the usual question "Can you check the map and tell us how to get to the [final destination]?", she instead asks "Can you check the map and tell me what it says?".
  • This is the only episode for the Red and Green trains. Azul will appear in later episodes and Gray Train will appear again in the episode Dora's Big Birthday Adventure.
  • In earlier airings of the episode, this is the first instance where Map doesn't say "So here's what you tell Dora...". He just says "So you tell Dora..." instead.
  • Boots does not introduce himself to the viewer in this episode. He first introduces himself in We All Scream for Ice Cream.


  • iTunes lists this episode as "Choo Choo". There is no dash between "Choo" and "Choo". The exclamation mark is also left out.
  • It is unknown how Swiper got on Azul when he appeared the second time. It is possible that he was getting on him while no one is looking.


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Character Find


Dora the Explorer Season 1
The Legend of the Big Red Chicken | Lost and Found | Hic-Boom-Ohhh! | Beaches | We All Scream for Ice Cream | Choo-Choo! | Treasure Island | Three Little Piggies | Big River | Berry Hunt | Wizzle Wishes | Grandma's House | Surprise! | Sticky Tape | Bouncing Ball | Backpack! | Fish Out of Water | Bugga Bugga | Little Star | Dora Saves the Prince | El Coquí | The Chocolate Tree | Te Amo | Pablo's Flute | To The Treehouse | Call Me Mr. Riddles
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