Advertisements How big are the guide updates? Does each TiVo make individual requests for each channel? Or is there a pre-packaged update made available by TiVo that each unit grabs? You're right, the above behavior, at least between R1 and R2, should be consistent unless there was a weird case where R1 grabbed data right before TiVo updated the package. I can see inconsistencies in parsing the guide data between TE3/4. That's what I originally thought happened - TE3 was crashing on an improperly handled error in guide data that TE4 was handling. It was the only way I could explain why the same channels seemed to be consistently missing data. I'm with you - I don't know what's going on. TiVo went from being one of the few appliances that mostly "just worked" and did so for years. There were missteps along the way, but I could always say that it found and recorded what I asked it to. Maybe they're repackaging their guide data for integration with the new TiVo Stream 4k?