>RBYSilph Co., Pokemon Tower as well as all routes between Lavender and Fuchsia.
In FRLG, Silph Co. is alright but the rest is still miserable.
>GSCHGSSEverything that happens between Jasmine and Route 44 (including optional Mr. Mortar). Simply put - "Team Rocket part".
>RSEORASAll water routes after Mossdeep (ORAS made diving more interesting but it's still the worst part). Additionally, Dewford in Emerald since Brawly is a faggot.
>DPPThe part when you have to backtrack all over Sinnoh because you got new HM.
Or post-game part of Victory Road in DP (since your Pokemon are on too low level for Repels to work).
>XYRoute 13 (the desert one).
>SMCutscene hell on Melemele island.
>ColosseumTeam Snagem Hideout and Cipher Lab. I hate ninja trainers.
>Ranger: Shadows of AlmiaThe last third of the game. Developers really shouldn't have made the sequel so long.
>Pokepark Wii Pikachu's AdventureHaunted Zone.
>>35357986"Dialogues" in JRPGs are basically cutscenes. There are no gameplay elements in them.