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Season 4
Operation Crybaby. During a circus performance, the audience suddenly becomes very sad. The reason for this is Professor Grumpy's "grief gas." With his "grief gas," the professor wants
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Operation Crybaby. During a circus performance, the audience suddenly becomes very sad. The reason for this is Professor Grumpy's "grief gas." With his "grief gas," the professor wants to make the whole world cry. Bassie and Adriaan encounter the professor and are tasked by the Prime Minister to track him down.
The Professor's Hideout. Bassie and Adriaan find themselves on a thrilling adventure. They're searching for a professor who wants to make the whole world cry with his grim gas. The trail
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The Professor's Hideout. Bassie and Adriaan find themselves on a thrilling adventure. They're searching for a professor who wants to make the whole world cry with his grim gas. The trail leads Bassie and Adriaan to the Canary Islands, where they, along with Robin the Robot, continue their search.
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