Ep. 47: Mystery unfolds at a remote Japanese fossil site during a group picnic
Aired on November 3, 1982

Ataru, Lum, Mendo, Shinobu, and Jariten travel to a remote area of Japan known for its fossils to enjoy a picnic. Simultaneously, a team of archaeologists is conducting an exploration in the same location. These researchers employ various elaborate techniques and gadgets intended to dramatize their excavation efforts, making the process appear more exciting and significant than it actually is. The narrative focuses on the intersection of the friends' leisure outing and the archaeologists' performative scientific work at this deserted fossil ground.
Episodes
- Ep. 43 · Ataru, Lum, and Ten encounter a cat-like humanoid during the feline mating season.
- Ep. 44 · Ataru regrets yelling at Lum after she leaves to renew her passport
- Ep. 45 · Lum's friends organize a surprise reunion, causing her distress due to their avoidance
- Ep. 46 · Students Rally Against Ban on Off-Campus Fast Food Lunches
- Ep. 47 · Mystery unfolds at a remote Japanese fossil site during a group picnic
- Ep. 48 · Princess Kurama faces a new challenge after being awakened by Ataru
- Ep. 49 · Ten Spreads Cavities by Biting Ten People to Visit Ataru's Class
- Ep. 50 · Ataru Meets Mendou's Sister Ryouko Amidst Forbidden Romance Plans
- Ep. 51 · Ten shelters a kotatsu spirit, causing stairway blockage and family conflict