I also liked the fact that Thea didn't, once again, storm off in a huff that she had been lied to by Oliver. Of course, the one remaining "big secret" is still that she killed Sara. Once she finds that out, it's all over between her and Malcolm; no reconciliation from that. Which probably also means one or the other will be leaving the show when that reveal happens. (Personally, I wouldn't mind Barrowman taking another shot at 'Torchwood'.)
But I'm still bothered by how quickly Oliver came back, good as new and in top fighting form, from what should have been a fatal wound from Ra's. Where he was stabbed would have certainly punctured a major organ or two, and only the immediate skills of a top-flight thoracic surgical team at a top-rated hospital could have saved him. Instead, he gets a few stitches and some herbal remedies and he's good to go.
Lazy writing, IMO. If Ollie is essentially invulnerable, then the entire premise of the show - that he's just an ordinary guy who developed his body and archery skills through hard work, insane workouts, and endless practice - is bogus. But they could have gone in several different directions. Stabbing him in one of the couple of non-fatal areas that TV heroes always get stabbed or shot in that never prove fatal would be one. That trope is so common by now that nobody even notices it anymore.
Here's another: Ra's is so impressed by Ollie's bravery and self-sacrifice (and he probably knows Ollie didn't kill Sara because he's, well... Ra's
), and his otherworldly swordsmanship skills are so advanced, that he could have stabbed Ollie in some special place (just under the diaphragm, just missing all the major organs including lungs by fractions of a millimeter, for example) that would allow him to just possibly
survive. The ultimate act of good sportsmanship. If so, then Tatsu could have told him that during his hour-long "recovery". Or something like that. Forpetesake, just acknowledge that there has to be some logical reason for Ollie to survive what should have been, by all accounts, a fatal stroke.
But that's just me. I'm such a killjoy.