[s3e4] Vietnam – Fully Tested

In the episode ( This Is Us , Season 3, Episode 4), the narrative uses a unique reverse-chronological structure to explore Jack Pearson's origin story and his relationship with his younger brother, Nicky. Reverse Timeline Highlights

The episode reveals the origin of Jack’s "breathe" calming technique, which he learned from his comrade Donnie Robinson in Vietnam. Robinson used the method to cope with the fear of his own father's abuse, and Jack later passed it down to his son, Randall. [S3E4] Vietnam

A young Jack protects Nicky from their abusive father, Stanley. Jack tells Nicky he has "secret strength" like Clark Kent to build his confidence. In the episode ( This Is Us ,