When Princess Dawn sets out on a journey to discover her past, she finds her twin sister Eve and together they realize they can reunite the kingdoms of light and darkness.

As a Father's Day gift to the twins' Dad, Bradley, Brian, and their cousins Lucy and Nate try to identify and stop whatever creature is biting fruits and vegetables in the garden.

"Jake and Lily are twins and have always felt the same--like two halves of one person--but the year they turn eleven and Jake begins hanging out with Bump Stubbins, everything changes"-- Provided by publisher.

Twelve-year-old twins Dipper and Mabel Pines spend the summer in mysterious Gravity Falls with their great uncle Stan, who runs a tacky tourist trap.

Bradley, Brian, Nate, and Lucy follow clues on an Easter treasure hunt, while trying to figure out who set it up for them.

"Identical twins Ling and Ting like to be silly, tell jokes, and laugh together"-- Provided by publisher.

Bradley and Brian need help from Nate and Lucy after a hypnotist turns their mother into a duck but does not quite get her changed back.

Alex and his friends from Artimé are stranded on a newly-discovered island, and they are not alone, while in Quill, his twin Aaron's power base grows as he joins with an unlikely ally in a risky plan to finally conquer Artimé.

When seventh-grade twins Payton and Emma switch places, they shake up the social hierarchy at their new middle school.

Shortly after her boyfriend, Peter, is deployed to Afghanistan, high school senior Michelle dies in a car crash and when her bereft twin, Kelsey, connects with Peter she is unable to tell him the truth as, through their separate woes, they support each other and begin to fall in love.