In "The Land Before Time XI: Invasion of the Tinysauruses" (2004), Littlefoot and his friends learn a valuable lesson about honesty when pintsized prehistoric beasties arrive in the Great Valley. Michael Clarke Duncan and Camryn Manheim provide voices. Next, Littlefoot, Cera, Spike, and Ducky all try to help pterodactyl Petrie learn how to fly in formation with his siblings, in "The Land Before Time XII: The Great Day of the Flyers" (2006). But when they all encounter a friendly stranger named Guido, they take a journey to a mysterious world beyond their own that will change the way they look at life. Features the voice of Manheim. And, two cute but clumsy Beipiaosauruses get separated from their herd and lost while traveling to the Berry Valley. Good thing that Littlefoot, Cera, Spike, Petrie, and Duckie are on hand to help them find their way, in "The Land Before Time XIII: The Wisdom of Friends" (2007). Features the voices of Cuba Gooding, Jr. and Sandra Oh. 4 hrs. total on two discs. Standard/Widescreen (Enhanced); Soundtrack: English Dolby Digital 5.1; Subtitles: English (SDH); sing-along songs; more.