Sid James as Father Christmas recounts times of the festive season through the ages, from life in stone age times. A country house party in the 18th Century. Christmas in the trenches during world war one. Next up is a Robin Hood send up with Sid as Robin.
Gavin, Jean and Peter meet Danny the Dragon, an unintentional visitor from outer space. Danny and the children encounter many adventures before Danny finally manages to return to his own planet.
Sid's daughter may be pregnant, but he is more interested in catching a pesky mouse. Things are further complicated by visits from an assortment of strange neighbours and relatives.