I just tried it...the 1st movie I chose wouldn't load, kicked back to play...2nd & 3rd movie played fine.
It happens with all free channels sometime or another...movie won't load 1 day & the next play fine.
Roku Stick: 3600X
Roku Stick: 3800X
Roku 1 SE: 2710X (Retired)
Roku 2 XS: 3100X (Retired)