Robby publishes a daily comic strip on the Web. It features Dr. Maniac, a villain with a wicked grin and even wickeder superpowers. And now Dr. Maniac is on the loose . . . in the real world!

Will Robby survive his encounter with Dr. Maniac and join the other kids who have been summoned to HorrorLand? Either way, danger is drawing closer and closer. . . .


《恐怖城堡歷險記5：瘋狂博士VS. 羅比・許華茲》羅比每天在網路上發佈連載漫畫，主角是人稱瘋狂博士的壞蛋，他的臉上總是掛著邪惡的笑容，還擁有比其笑容更邪惡的超能力；而此刻，在現實世界中……瘋狂博士已經重獲自由！

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