Voltron: Legendary Defender: Season 7

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for Voltron: Legendary Defender Season 7.
Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown. No asterisks. No headings. No bullet points (in the text, though the primer is an array). Output valid JSON only.
Input Data:
TMDB Synopsis: "An epic showdown with new and old villains looms as the Paladins head toward Earth and soon come to realize that their home isn't like they left it."
Source [1]: Title, year (2016), rating (TV-Y7), genres (Animation, Action & Adventure, Sci-Fi & Fantasy, Family).
Source [3]: "Five unlikely teenage heroes and their flying robot lions unite to form the megapowerful Voltron and defend the universe from evil."
Source [5]: Produced by DreamWorks Animation Television, World Events Productions, and Mir for Netflix.
Overview:
The season features an epic showdown involving both new and old villains.
The Paladins are traveling toward Earth.
Upon arrival, they realize their home is not the same as when they left it.
The series involves five unlikely teenage heroes who use flying robot lions to form the megapowerful Voltron to defend the universe from evil.
Constraint Check: I need 160-220 words.
Problem: The provided text is extremely sparse. The synopsis is only 34 words. The other sources provide general series info, not season 7 specific info.
Drafting: The seventh season of Voltron: Legendary Defender centers on an impending epic showdown involving both new and old villains. As the Paladins travel toward Earth, they face the realization that their home planet is no longer the same as it was when they departed. This animated mecha television series, produced by DreamWorks Animation Television, World Events Productions, and the South Korean studio Mir for Netflix, follows five unlikely teenage heroes. These heroes utilize flying robot lions to unite and form the megapowerful Voltron in order to defend the universe from evil. The narrative arc of this season involves the Paladins navigating the consequences of their journey as they approach Earth, where they encounter a changed environment. The struggle against various antagonistic forces continues as the team attempts to protect the universe. (Word count check: ~140 words).
Wait: I must hit 160-220