Smart TV and SEC+ ?????

I should have videoed what I did, as I cannot remember exactly, and I am tech-stupid. While I get the baseball games on my tablet just fine, I would like to watch them on my Panasonic without carrying the laptop in there and hooking up HDMI. I do not have the app in my app store, but I go to maybe a web page? Anyway, I even got past the login for my cable provider(Suddenlink) just like I did on my tablet. That's where I got shut down. I could see the LSU baseball game as an option. The cursor even turned into the hand with pointer finger. I press enter, and nothing. I cannot get past that step to watch any of the programs shown to be airing. Ideas? Is my TV missing something like a plugin or program?