Is it better to go to class, or watch the recorded lectures?

I'm in a large class where lectures are recorded and posted online. The lectures are difficult enough that I benefit a lot from being able to pause the videos and stare at the slides for a few seconds, or even rewind the video if I realize I missed something from an earlier part of the lecture. It's also nice to be able to pause the video if my mind starts wandering, so I can give the lecture my full attention.

However, if I don't go to class, it's easy to get behind on the lectures, and it's easy to get distracted while watching the videos (so watching a lecture online takes me a lot more time than I would have spent in class). What do you think is the best approach?

If it makes a difference, it's my advisor's class, and the lectures are at 9 am.