Episode 10 of The Witness picks up at the red panel by the stairs, where Episode 9 left off. Nothing on it works for a while, until the second red panel in the metal cage finally lights. With that, the block shapes start to make more sense, and a row of three red panels by the stairs falls one after another. The video ends walking off toward new panels in the grass.
Back at the red panel
The red panel has a row of four small squares and two short bars, next to a dark panel. "So this is the one that I thought I had solved enough." The lines look right but nothing takes: "This looks good to me, but neither of them are happy." The plan, as the commentary puts it: "once I solve these, it looks like it unlocks that door and I can solve those and then continue on." But "I have the four across, I have the three down," and still no.
Stuck on this side
Down on the walkway over the water, Basket traces a gray panel. "Let's see if this bridge will actually go back or I'm stuck over here." Back to the red panel, over to the cage, and back to the walkway panel: "Maybe if I solve it again, it'll switch." The verdict: "So I'm stuck over here," with "a puzzle here I can't figure out."
The cage panel gives
So it is back to the second red panel in the cage. Something new turns up: "Oh, that's interesting, these two are happy even with the shapes being in the wrong orientation." A couple of minutes later the panel lights yellow, a wide bracket across the grid. The commentary sums it up: "you can rearrange them, you can't rotate them."
Three in a row
Now the red panel by the stairs goes too, with a line that runs up, across and back down. The dark panel beside it lights up as a new red grid, with a third, still black, beyond it. More rules show up the hard way ("probably can't overlap," "I guess it needs to be inside the same shape"). The second panel falls after a long run of tries: "Will this work? Yes." And then: "I didn't consider going up and then down and around."
The third takes the longest. The commentary counts its shapes as "3 across, 3 up," an "L-shape" and a two. "It's almost like I need construction paper or like graph paper and then cut out these shapes." When it finally lights, a thick yellow cable glows beside it. "It only gets harder from here."
Where it ends
Basket heads down the stairs, across the walkway over the water and through a mesh gate to a row of small panels in the grass, one of them lit yellow-green. The video fades out there.