- Title: My Grandfather, the Master Detective
- Type: Drama
- Format: Standard Series
- Country: Japan
- Episodes: 8
- Aired: Jul 17, 2026 - Sep 4, 2026
- Aired On: Friday
- Duration: 60 min.
- Genres: Mystery, Life, Drama
- Tags: Patient Supporting Character, Amateur Detective Supporting Character, Teacher Female Lead, Heartwarming, Grandpa-Granddaughter Relationship, Family Relationship, Healing, Dementia, Elderly Care, Illness
- Content Rating: Not Yet Rated
- Score: 7.8 (scored by 15 users)
- Ranked: #70156
- Popularity: #24388
- Watchers: 205
- Favorites: 0
