Sometimes if you have your phone and watch on at the same time, the Bluetooth will change back to your phone as the two fight over controls sometime... it will also occasionally change where you are listening from.... IE your watch will change for listening on the watch to listening on the phone.  If either of these issues occur with me... the blue tooth changing back to the phone... or etc... it will stop and pause playback.  This what has happened to me and caused a similar issue until I stumbled across the fix... hope this may help others as well.  ... View more

This worked perfectly for me, you need to tell Pandora you a listening from your "watch" and not your phone.  Podcast for me work like this... you can not directly download it to your watch like you can with spotify... at least I don't think so.  I will go to a podcast I like in Pandora, and select the "Collected" button.  A green check mark lights up.  When you go to your phone... it will be there....  you can also play them without doing so... when I say play, I mean streaming them.  The "collected" button just makes it easy to find if you have many.  After you are doing playing it... you can uncheck the selected button and the podcast will go away from that grouping. ... View more