Ahoy me hearties! Join the Pants Pirates on a special treasure hunt. Grab your cutlass and sail on the Pirate Ship Black Bloomer past angry crocs, sharks in fancy pants and through gurgling swamps on a quest to find...the Pants of Gold! This hilarious new addition to the phenomenally successful Underpants series will not disappoint. You'll be yo-ho-ho-ing until the sails come down!

Illustrations and rhyming text reveal the true reason aliens visit Earth is that they deem underpants so much fun to play with.

On Christmas Eve, Santa cannot find the special Christmas underwear he wears every year, and nothing else seems quite right.

Bismark the Buffalo is grumpy and unlovable until his friends teach him how to laugh and show him that wearing colorful underwear can be great fun.

While playing hide-and-seek, Bear finds a backpack filled with underwear.

The vegetables in Farmer John's garden are intrigued when he hangs his underwear out to dry but when Corn, Potato, Beet, and the others pull things off the line and try them on, they are not at all comfortable.

When she receives big girl underwear, Sarah is excited to discover that she now also has to learn how to use the toilet.

Bear builds a snowman when he and his friends go outside to play one winter day, but trying to make the snowman look warm has Bear revealing his long underwear, and starting a trend.