Same experience as @Flatfish @Margifromfla @wabbaloo @Digivon here with our Roku Ultra as well: about 1 minute after the first song of a station starts to play, the the Roku  screensaver (not Pandora's) will show - and when the song finishes, no more songs will play.  When using the remote arrow to jump out of the Roku screensaver, the Pause button and playback timeline are frozen.  The fast forward button is required to be pressed to play the next song - and this process starts over again: the Roku screensaver then shows again 1 minute later, the song plays and no others until after the fast-forward button is pressed. ... View more