When Martin and Sylvia discover a sparkling winter landscape in their yard, Martin decides they need a real fire and a real cookout! When it begins to snow, he and Daddy are undaunted, just like the original arctic explorers.
Pirates have invaded Lake Days! Could that be Martin in the black pirate’s hat? Could that be Sylvia at the helm of the pirate canoe? Could that be Daddy leading them to invade a friend’s sailboat and attempt to steal some "booty"?
When Martin and Sylvia learn that their grandparents will be visiting just in time for Poppi’s birthday, Momma warns them that Poppi won’t be able to join in some of their more active adventures this time.
The downtown’s First Day celebration is here and the group decides to make Martin's idea for a snow sculpture. When Sylvia feels left out, who can help her create the snow sculpture of her imagination?
When the Brown's farm can't supply enough milk, Momma and Daddy take Martin & Sylvia to a farm run by three families. Brother and sister are resistant, but find the farm offers much more than they thought!