I noticed this for the first time after the fall update or after Comcast Video On Demand being enabled (I'm not sure which). It is happening on both my Premiere Elite (20.2.2-01-2-758) and Premier (20.2.2-01-2-746). I don't think this has ever happened on the "current" tuner, but am not 100% positive about that. The behavior (intermittently) is that if I switch to one of the other tuners, either with the Live TV button, or using the Info button and then selecting a different tuner, the video output is black and the progress bar is showing the green triangle to indicate it's playing. The channel banner displays the name of the current show on that channel. I can rewind a little and start playback, and it plays until it gets back to the point it was at when I switched to that tuner, and freezes (I presume if I were to stare at it long enough it would go to a black display). It's clearly not the current show (one time it was a show from 1-2 hours ago, another time it was a show from the previous day). I don't believe that me interacting with VOD (which needs a tuner) is causing this, as it's happening on the (2-tuner) Premiere that I rarely watch, and I haven't done VOD on that one other than right after it was enabled. I have rebooted fairly recently and the problem persists. Changing the channel make the problem go away (not surprisingly). What I'm not sure about is, if the TiVo decides to record something on that same channel, whether it will blindly try to record without switching channels (which might cause it to try to record the garbage on that tuner). I don't believe I have missed any recordings due to this - the only obviously wrong recordings (that I've seen so far) were likely due to either sports or election coverage running late. At worst I've seen two tuners in this state on the Premiere Elite, and one tuner in this state on the Premiere. This is on Comcast (Seattle area) so no SDV or tuning adapter is involved. Is anyone else seeing this?