In a weird bit of brand synergy, Funimation, an anime localization and licensing company wholly owned by Sony, has a deal going with Microsoft to release the first seasons of several shows for free on the Xbox One and Windows. All you have to do is click on them now and you own them for good.
There’s a couple of series you can check out right now. If you’re a Dragon Ball fan but haven’t checked out Super yet, you can dip your toes into Dragon Ball Super with the first season right here, which is about 13 episodes. If you don’t know the difference between a Goku and a Gohan, much less whatever a Piccolo might be, you can start with the first season of Dragon Ball Z for free right here.
You can also give My Hero Academia a try with 13 episodes of the Uncut version. It’s a good primer to introduce you to the world of quirks and Deku’s quest to become a symbol of peace for the populace at large. There’s Assassination Classroom, as well, which I quite enjoyed the manga of but can’t really speak to the animated version. It tells the story of a monster that has made a deal with the government to teach a high school class which is tasked with killing him before the end of the year.
Other options are Attack on Titan and Fairy Tail. The former will start you on a gritty tale about humanity attempting to survive a mass extinction event of carnivorous giants and the latter is about magicians going on adventures and battles in a mostly care-free world.
You can download all of this or some of it and watch at your leisure. May your holidays be as filled with Goku as the rest of the year was.