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At Mino's invitation, Shouzou and Ine decide to go to the culture festival at her school. Once there, an accident causes Ine to have to change clothes. When she puts on a sailor-style school uniform, she reverts to mannerisms she used in her school days.
Episodes
1Grandpa and Grandma and the Sports Festival 2Grandpa and Grandma and Their Children 3Grandpa Turns Old Again 4Grandpa and Grandma and the Culture Festival 5Grandma's Memory Turns Young Again 6Grandpa and Grandma on Their Honeymoon: Tokyo Arc 7Grandpa and Grandma on Their Honeymoon: Atami Arc 8A New Grandpa and Grandma Appear 9Grandpa and Grandma and a Summer Festival 10Grandpa and Grandma's Daily Life 11Grandpa, Grandma, and Winter Break