Meet Henry and David's friends, they are always silling around and now they have brought some costumes to dance the chu chu ua sng! Would you like to wear one? Which is your favorite? Annie is dressed as a nurse and Tom as a policeman. Are you ready? Get your costume and come with us! Join us in this party full of fun and let's dance together to the choreography, but first, we should practice a little bit. What do you think? Are you coming to the party? Don't think it twice, you will surely love it! Listen to the song and learn the lyrics, but the dance steps as well, they're very important!