excerpt:" * Good to see the team getting out of Boston by taking the investigation to Philly and Iraq. The last time we went international the story benefited hugely and this time was no different. Although they didn't spend long in Iraq (and only one location was used), it was good to get that diversity – they should do it more often, when the story dictates.

* Walter / Astrid. I wasn't sure about their Lab scenes at first – they seemed to go on forever without much happening. But on reflection, I appreciated the cosy and light-hearted moments. We got to find out a little bit more about Astrid – that she's a "creature of habit", and it was good to see Walter actually taking an interest in this person he surely considers to be a friend. It's well documented that Jasika Nicole doesn't get enough screen-time on this show, but I liked what she did with the time that she did get. I get the feeling that she's made the decision to make the most out of every scene she has, and good for her, she's holding her own. Also, the watermelon scene was pretty neat.