#166) When Sam meets his deceased namesake uncle in a dream.
#225) Mimi and Rosa reassuring Yolei that Ken and Sam would get over their problems, which would lead to World War VI.
#266) Makku Inoue (Sam's oldest cousin on his mother's side) reveals to Noah (Joe and Jun's son) that he's gay, and that all of his immediate and extended family (including Ken, Yolei, Miya, and Sam) know and are all supporting of him.
#271) Noah and Miya finally admitting their feelings towards each other.