Blue spinning circle is definitely the clue that you will soon see pre-roll ads. Enjoy! (and please do flood Tivo with many many thank you calls and posts)I just checked some recent recordings and can confirm the blue spinning circle, 3 seconds of blank black screen delay, with pause icon in upper right hand corner. So perhaps this is placeholder logic for the ads.
This is what happens when you hire a CEO that found a way to monetize the friggin' Weather channel.