That is, they can be seen without a monetary cost (beyond that which you're already spending to be online); it's not that the shows are themselves imprisoned and require liberation.
Gratuitous joke at my own expense behind us, let's get down to details. Each week ChessLecture.com makes a show available for on-demand viewing, even to those who only have free accounts, and that show remains available for a couple of weeks. This week, two shows fit the bill (it's possible that one is from last week, and I failed to notice it then): one of my own (Gufeld-Kavalek, a brilliant win by the latter) and one by GM Leonid Kritz, presenting Esipenko's upset win over Carlsen from the recent Tata Steel tournament. You'll need to create a (free) account to watch, if you don't already have one.