I listened to the whole series with Dyson some time in the past year. It was well worth it. I also listened to the series with Murray Gell-Mann [1] and Hans Bethe [2]. All time well worth spending, and I've been thinking of downloading all the bits, concatenating them into audio files, and putting them on my phone for listening to when out on walks (I'm pretty sure the videos do not add anything essential: it's just a video of the interviewee talking - no visual aids).
[1] https://www.youtube.com/playlist?list=PLVV0r6CmEsFxKFx-0lsQD...
[2] https://www.youtube.com/watch?v=LvgLyzTEmJk&list=PLVV0r6CmEs...