It is clear by this point that the post TS arcs have had many similarities with pre ts arcs.
-Early East Blue/ Sabaody archipelado
Gathering the crew arc.
-Arloong park/Fishmen island
Both arcs deal with fishmen and discrimination, the east blue part we deal with fishmen discriminating humans for being weaker and on fishman island we get to see the other side of the story, both are important arcs for Nami and happen right befre the crew set out to the next step on Luffy's adventure to become PK, that being grand line/new world.
-Whisky peak/punk hazard
Both are minnor arcs that serve to set up the next major saga of the manga, both are arcs where the crew meet a prince/princess of a kingdom threatened by a major power in the world who joins the crew temporarely.
-Alabasta/Dressrosa
The similarities on this one are too many, from meeting a princess and helping her save her country, to Luffy meeting his brother... Even the rank of the enemy Luffy faces, only real diference is that Doffy already succeeded in taking the country while rocodile was about to do it.
-Skypea/Zou
Lands with a distinctive race of people that cant easily be found anywhere else, we got important information about polneglyphs as well on both arcs, specialy about their relation with Roger and Laugh Tale.
-Ennies Lobby/WCI
Crewmate gets "kidnaped", and has to be saved.
-Thriller Bark/Wano
Arc where a new nakama joins the crew after a long time, Ryuma and Oars land....And most important to this thread...
A temporary transformation for Luffy that powers him up enough to easily destroy the massive opponent in the arc thats about to destroy everyone.