New Teasers Debut for 'Orphan Black' Season 4

Here are a couple of new teasers for the fourth season of Orphan Black on BBC America, which is coming in April. I think most fans of this show would agree that last season was a near total collapse in quality, but I thought it saved itself in the last few episodes of the season by shifting gears somewhat. I'm still in it to the end anyway- supposedly it's only going for five seasons and Tatiana Maslany still carries it with immense watchability. Plus, I think they have to have responded to the criticism and course corrected on the boy clone stuff by now, right?