"Princess Magnolia is having hot chocolate and scones with Duchess Wigtower when... Brring! Brring! The monster alarm! Stopping monsters is no job for prim and perfect Princess Magnolia. But luckily Princess Magnolia has a secret: she's also the Princess in Black, and stopping monsters is the perfect job for the Princess in Black! Can Princess Magnolia sneak away, transform into her alter ego, and defeat the monster before the nosy duchess discovers...

"Princess Magnolia and her unicorn, Frimplepants, can't wait to have brunch with Princess Sneezewort. But just when they can smell the heaping platters of sugar-dusted doughnuts, Princess Magnolia's glitter-stone ring rings! The monster alarm! After a quick change in the secret cave, the Princess in Black and her faithful pony, Blacky, race to the goat pasture. When they get there, all they see is a field full of adorable little bunnies, nibbling...

Enfrentarse a los monstruos no es trabajo para una perfecta y delicada princesa de rosa. Por eso, cuando la monstruo-alarma se dispara, la princesa Magnolia deja sus vestidos de volantes y se convierte en ... ¡La Princesa de Negro!" Princess Magnolia is having hot chocolate and scones with Duchess Wigtower when ... Brring! Brring! The monster alarm! A big blue monster is threatening the goats! Stopping monsters is no job for dainty Princess Magnolia....

Who says princesses can't wear black? When trouble raises its blue monster head, Princess Magnolia ditches her flouncy dresses and becomes the Princess in Black.
Princess Magnolia is having hot chocolate and scones with Duchess Wigtower when . . . Brring! Brring! The monster alarm! A big blue monster is threatening the goats! Stopping monsters is no job for dainty Princess Magnolia. But luckily Princess Magnolia has a secret —

...

When a goo monster crashes the science fair, the Princess in Black is on the job, and with the help of the Princess in Blankets, sets out to save the science fair.

"The Princess in Black is ready for her snowy playdate with the Goat Avenger and the Princess in Blankets. It's a perfect day to build snow monsters and battle them for practice. But just when they're about to wage battle, a huge foot smashes their snow monster. "SQUASHY!" It's a giant, and it's smashing everything in its path! The giant is too strong for the three friends, so the Princess in Blankets has an idea: it's time to light the Sparkle Signal...

"Princess Magnolia is at the Flower Festival prepping for the evening ball when suddenly she hears a commotion. Oh no! She isn't prepared to fight a monster or...a grumpy emu! To her surprise, a knight in shining armor comes to the rescue, but not before the princess's prized decorations are stomped on and destroyed. Luckily, the gallant Prince Valerian has his own secret identity--the Prince in Pink--and has been yearning for a chance to show off...