Ep. 87: Nobita uses a protective snail shell after his mother accuses him of hiding exam results.
Aired on July 11, 1979

87
Nobita’s mother accuses him of concealing his recent exam results, calling him a liar. He complains to Doraemon and trades snacks for a snail shell that shields him from his environment. Shizuka appears near the end to return a journal containing his exam grade. His mother apologizes for the misunderstanding, but Nobita makes demands until she asks to see his actual grade.
Episodes
- Ep. 83 · Doraemon creates a sky pool for Nobita after he is mocked for not swimming
- Ep. 84 · A device designed to slice through materials with precision and efficiency
- Ep. 85 · A narrative centered on the subject of dried fish within the anime series
- Ep. 86 · Doraemon assists Nobita with a moving arrow device for easy target placement
- Ep. 87 · Nobita uses a protective snail shell after his mother accuses him of hiding exam results.
- Ep. 88 · Doraemon and Nobita utilize a broadcast mirror to advertise a small sweet shop
- Ep. 89 · Nobita encounters a defective lifeform creation machine left by Doraemon.
- Ep. 90 · Nobita and Doraemon travel back in time to prevent the theft of a family diamond ring.
- Ep. 91 · Nobita and Doraemon persuade parents to relocate to a castle owned by a mysterious woman