Halo Channel Video Issue

I am trying to watch Halo: Nightfall and Halo: The Fall of Reach on my Samsung S4 (and it should run smoothly according to the Halo Channel Support Forums) on the Halo Channel App, but it keeps saying there’s a “Video Issue: We are unable to the play the video at this time”. If anybody has any ideas to fix this problem, please help.

My life, halo channel runs slow af for me T-T