Ben Holly meet some of the friendly aliens from Picnic on the Moon, and a small green one called Zyros, who are on holiday when their flying saucer crashes.brBen Holly meet some of the friendly aliens from Picnic on the Moon, and a small green one called Zyros, who are on holiday when their flying saucer crashes.brBen Holly meet some of the friendly aliens from Picnic on the Moon, and a small green one called Zyros, who are on holiday when their flying saucer crashes.brbrNanny Plum, Gaston, Ben and Holly go with Lucy to her school on Nature Day, whilst trying not to be seen by her friends or her teacher, Miss Cookie. Imagine all .