Dai Dasshutsu! Rufi Kishikaisei no Zōjū (E689)

Penned in at the bottom of a well, Luffy and Law are caught in a trap! But someone has come to save them who they least expect! Meanwhile, the Tontattas help Franky break in to the SMILE factory, and Bartolomeo resorts to tactics he used in the Colosseum to defend himself and protect Robin and Rebecca! (Crunchyroll)