Much like last week's episode, viewed on its own, I liked it. There were a few changes from the game, but I felt most of them were roughly equivalent. The only change I didn't like was the very end. Joel found Ellie outside, so he didn't get to see what happened to her, which I think he should have for him to have that emotional reaction. Also, nitpicky pothole, none of the townsfolk saw the massive building on fire in the middle of the day, came running over to investigate or put it out, and discovered Joel and Ellie casually walking away?
As to the series as a whole, I'm mostly enjoying it, but I have two issues.
First, I just feel there have been some pacing issues. Some story arcs have been given more time than deserved and some given less than deserved. Example, Kansas City with Sam and Henry and Kathleen was almost two full episodes, but I really feel like it could've been one and this week's episode should have been the two parter because of how traumatizing it's sure to be for Ellie and for establishing Joel fully committing to Ellie as her foster father. Also, i hate to say it, but the Left Behind and Bill/Frank stories could have been shorter and incorporated more of the present day stories. I think most viewers would've gotten the point in 30 minutes rather than 60 (Bill/Frank = there is still happiness to be found in this world, Ellie/Riley = Ellie has suffered loss and won't allow it to happen again).
My second major issue is the relative lack of zombies and violence. I'm not expecting every episode to be a bloodbath, but have we seen any major zombie activity since Kansas City? What about all these massive raiding parties that are allegedly roaming around? Have Joel and Ellie not encountered any since then? If so, it seems like the Apocalypse is starting to wrap up. I was just hoping for a bit more action in this series.