Phelim O'Neill's series blog: In a disappointing series many found their sympathy and interest drawn to the much more intriguing aliens

Phelim O'Neill: An episode without any aliens but the Skitters still make their presence felt. It's a shame the humans aren't more interesting

Phelim O'Neill: Having got past its earlier teething troubles, it feels like the show has finally hit its stride – and there's a great payoff at the end

Phelim O'Neill: Tightly plotted and tense, with some great alien moments, this is what the show should have been like from day one

Phelim O'Neill: The show seems to be getting past its patchy start, as we learn more about the skitters and there are some great creepy touches

Phelim O'Neill: It's hard to show a lot of empathy for the characters but the aliens are impressive in their ruthlessness

Phelim O'Neill's series blog: Jimmy takes a dog rescue risk, aliens show a chink in their armour, and a mission goes sour as outlaws muscle in

Phelim O'Neil's series blog: The series kicks off with nicely done visuals, cute-but-annoying kids – and a lot of potential. What did you think?