Un día, una vaca...

Pulgarcito is the youngest of six brothers (the others are quintuplets) who, accompanied by his Midnight cat, lives his adventures between reality and fiction in children's literature: Neverland, Wonderland, traditional tales... An emblematic character in the series is the scientist Señor Ogro, who It seems scary but deep down he has a good heart, and is always placated by his daughter Trini, a friend of Pulgarcito. Señor Ogro will create a time machine with which Pulgarcito will travel different times, from prehistory to the Middle Ages, in addition to witnessing important events, such as the discovery of America.