Hesitant about Season 5's finale

I'll be honest, I'm not looking forward to season 5's finale. Supposedly, it would involve time travel, going into Equestria's past and it's Starlight Glimmer's revenge. Not only will bronies be screaming about it for days, but I fear it might effect Friendship Game's ending. The fear is probably unfounded, but I'm nervous nether the less.

(Important note: to maintain my none half-brony/half anti-brony statues, I try to watch the least amount of episodes as possible. I will watch Cutie Re-Mark unless I really have to)