Season 1, Episode 22:
The Treasure
Senku, Magma and Chrome explores a cave for tungsten, which they’ll need to make durable filaments for their cell phone vacuum tubes. But does Magma have other plans in mind?
Feats of Science:
- Siphon to fill a pit with water and escape
- Finding "nature's treasure chest" - a Skarn deposit
- Not just a telescope, an observatory!
Tropes:
- Bathos: When Chrome gives a sincere speech about The Power of Friendship.
- Hidden Depths: Magma and Gen show theirs.
- Literal Cliffhanger: Naturally, they're caving.
- Locked in a Room: Senku and Magma get stuck in a pit.
- Make It Look Like an Accident: The cave expedition is the perfect opportunity for Magma to deniably murder Chrome and Senku.
- Secret Test of Character: Senku chooses Magma for the cave exploration team for more than just his muscles.
- Surprise Party: While Senku is gone, the village builds him an observatory for his birthday.
- Worthless Treasure Twist: Lampshaded and discussed.