In the episode "Eye of the Beholder" (Season 2, Episode 2), there is no specific item or concept officially referred to as a "deep piece".
The is a glowing, eye-shaped gem that belongs to the Sentinels , giant living statues guarding a temple on the Moon of Monawk . In the episode "Eye of the Beholder" (Season
The episode is notable for addressing the strained relationship between Ben and Julie, ending with Ben promising to try and be a better boyfriend. After a battle with the Sentinels, it is
After a battle with the Sentinels, it is revealed that Baz-El had actually swallowed the Oculent. Julie performs the Heimlich maneuver on him to retrieve it and return it to the statues, which turns them back to stone. While not in this specific episode, the term
Baz-El (Ship's former owner) is captured after stealing the Oculent, which he describes as a "souvenir" for his retirement fund.
While not in this specific episode, the term "piece" is frequently used in the Aggregor Arc to describe fragments of the Map of Infinity . One of these pieces was hidden on the water planet Piscciss in an episode titled "Deep" (Season 1, Episode 13). Episode Summary: "Eye of the Beholder"