>>68176438Chomp's not a highlight in and of itself, it just marks a shift in story direction and the highlights are in the post-chomp story arcs.
Long story short, they complete Alternative IV, a whole batch of new characters are introduced and then slowly get picked off one by one, then in the end Alternative IV buys humanity an extra 20 years or so of survival on top of the 10 they had left, almost risking losing everything as a result. Takeru
goes home but his memories of Alternative are suppressed. End.