Chiro and Chico is playing with a train and ask Chiyo to take Chiyos favorite puppy doll on the train. Chiyo insists not to do it but, Chiro and Chico force to take .\rbr\rbrWhile playing with Chico, Chiro accidently finds a monkey toy. Chiro likes the gorilla toy very much and he plays with it happily, but is soon worried when he .\rbr\rbrIt has been raining since morning and when it finally stopped, the Chiro Chicks went outside to play. Chiro and Chico find a puddle on the ground and jump over .