Why two? Well this next season will explore the changing dynamic between Yuri and Victor now that they're competing against each other, and the third season? Fight for Olympic gold, baby. Pyeongchang is only slightly more than a year away now (as of 27 Dec 2016, the date this WMG was added). Yuri might not win Worlds, but I'm sure Olympic Gold would do just as well. Actually I'll revise that, he probably will win one worlds, plan to retire, only to remember he now qualifies for the Olympics.
- So far, nothing regarding a second or third season, but Pyeongchang did have Yuri On Ice's music present. There's a movie in the works, which doesn't look like it's a recap...but no word on if it's a sequel to the first season.
- A teaser trailer has confirmed that the movie will involve the Olympics in some way; Victor apparently made his Olympic debut in France at 17.
Similar to Yurio, I believe that Victor will face pain and back aches similar to his real life inspiration. This might add to a Character Arc of him in which he has to face the fact he is getting old. Christophe might go through something alike.
It IS a show about skating... and usually sports shows involve severe injury of some kind, that is NOT Played for Laughs.