Son of a Critch: Season 4

Season overview

Meticulous television and film archivist.
Write ONLY verifiable facts from the provided SYNOPSIS and SOURCES. No guessing, no inventing.
JSON object with two keys: overview and primer.
A factual 160-220 word summary of Season 4's narrative arc.
An array of exactly 4 concise bullet points summarizing essential previous lore, character positions, and stakes.
Plain text, no markdown, no asterisks, no headings, no bullet points (within the prose/strings, though the primer is an array of strings).
Output valid JSON only.
TMDB Season Synopsis: 14-year-old Mark, an old soul, tries to stay true to himself in a sea of new faces in high school. Mentored by his 80-year-old grandfather, he finds that standing out is more fun than fitting in.
Source [1]: Set in St. John's, Newfoundland. 11-year-old Mark, much older on the inside than his 11 years.
Source [2]: Canadian sitcom created by Mark Critch and Tim McAuliffe. Premiered Jan 4, 2022 on CBC. Based on memoir by Critch. Semi-autobiographical. Set in the 1980s in St. John's, Newfoundland.
Source [3]: Cast includes Mark Critch, Benjamin Evan Ainsworth, Claire Rankin, Sophia Powers. Heartfelt window into the life of a child, much older inside than his 11 years, using comedy and self-deprecation to win friends.
Source [4]: Coming-of-age story. 11-year-old Mark. Uses comedy to win friends.
Source [5]: Comedy, Drama. 11-year-old Mark in St. John's, Newfoundland in the 80s.
Problem: The prompt asks for a summary of "Season 4".
Analysis of provided text: The TMDB Season Synopsis provided says: "14-year-old Mark, an old soul, tries to stay true to himself in a sea of new faces in high school. Mentored by his 80-year-old grandfather, he finds that standing out is more fun than fitting in."
Constraint Check: I must use only the provided material. The provided material for the "Season 4" synopsis is the text about 14-year-old Mark in high school.
Constraint Check: The word count for overview must be 160-220 words.
Drafting Overview: