How to change seasons on tv shows for netflix?

Okay so i have an iphone 4s and i have the newest update for netflix. I'm trying to watch sooner episodes of family guy and i'm try to change the seasons? Whenever i'm on the family guy info. I see the the little arrow for changing seasons, but whenever i try to touch it it won't do anything so its stuck on the 8th season?

How to get instagram without iOS?

I don't know how to upgrade my iPhone 4 I just got it and I tried downloading instagram but I can't. : it keeps telling me about iOS Thiny idek about and i don't know how to get it! How can I get instagram without it tho?
And I want to be able to upload pics and stuff and you can't do that on the Internet instagram help!

IPhone Autoimatically turns sideways

I don't have that portait lock on. I did before & it worked. But even with it on, my camera was still sideways. I don't know what to do? I've turned the phone on and off. Updated software to iOS 6.0.1… Nothing works?!