The second of the four Carry On Christmas specials, this one loosely recounts the story of Treasure Island with Sid James as Long John Silver and Barbara Windsor, strangely, as Jim Hawkins. This special was filmed in black and white due to a technicians strike in the UK at the time of filming.

Christopher Columbus believes he can find an alternative route to the far East and persuades the King and Queen of Spain to finance his expedition...

In 1970s English suburbia, middle-aged homeowner Sid Abbot just wants to get on with building his illegal whiskey still, but is frustrated by his work-shy son and otherworldly daughter. When rude, arrogant Ronald Baines and his family move in next door, garden-fence hostilities soon commence.