The specials are actually movies which have TMDB entries and thus the specials should be removed from the TV series.

映画 トロピカル〜ジュ！プリキュア プチ とびこめ！コラボ♡ダンスパーティ！ is a movie short: https://www.themoviedb.org/movie/850647-tropical-rouge-pretty-cure-petit-dive-in-collab-dance-party

映画 トロピカル〜ジュ！プリキュア 雪のプリンセスと奇跡の指輪！ is a theatrical movie and has it's own TMDB movie entry: https://www.themoviedb.org/movie/850367-eiga-tropical-rouge-pretty-cure-yuki-no-princess-to-kiseki-no-yubiwa?language=ja-JP

The third unnamed special with an Oct 23, 2021 airdate is another movie short: https://www.themoviedb.org/movie/1024876?language=ja-JP