Solved! Make YouTube screen full size

[Gdhargis]

I'm watching When call the heart on YouTube. How do I get the screen to full size?

 

[jwcrellin]

Hover mouse at bottom right of the picture, a gapped box should pop up, click that

 

[Gdhargis]

MERGED QUESTION
Question from Gdhargis : "Make YouTube screen full size"

I'm watching "When call the heart" on YouTube. How do I get the screen to full size on my Samsung Smart tv?