EP1 - Grandpa and Grandma and the Sports Festival EP2 - Grandpa and Grandma and Their Children EP3 - Grandpa Turns Old Again EP4 - Grandpa and Grandma and the Culture Festival EP5 - Grandma's Memory Turns Young Again EP6 - Grandpa and Grandma on Their Honeymoon: Tokyo Arc EP7 - Grandpa and Grandma on Their Honeymoon: Atami Arc EP8 - A New Grandpa and Grandma Appear EP9 - Grandpa and Grandma and a Summer Festival EP10 - Grandpa and Grandma's Daily Life EP11 - Grandpa, Grandma, and Winter Break