Season 1
1 - Grandpa and Grandma and the Sports Festival
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2 - Grandpa and Grandma and Their Children
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3 - Grandpa Turns Old Again
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4 - Grandpa and Grandma and the Culture Festival
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5 - Grandma's Memory Turns Young Again
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6 - Grandpa and Grandma on Their Honeymoon: Tokyo Arc
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7 - Grandpa and Grandma on Their Honeymoon: Atami Arc
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8 - A New Grandpa and Grandma Appear
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9 - Grandpa and Grandma and a Summer Festival
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10 - Grandpa and Grandma's Daily Life
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11 - Grandpa, Grandma, and Winter Break
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