Attack on Titan
2013–2023NHK General TVMBSAnimation
A new opening for almost every cour, each one restating the series' situation as it currently stands — which over four seasons means the titles document a war changing sides.
1 sequence83rd most looked up of 770 in the 2010s
Season 1
93sThe first opening, from Crunchyroll. The show replaced it repeatedly; this is the first of many.