Season 4 of the series picks up where Season 3 ended – with Harry (Alan Tudyk) and his baby Bridget stuck in prison on the Grey Moonbase and a new alien shapeshifter impersonating him back on Earth.

Since 1962, the Skrulls have been Marvel's trademark shapeshifting aliens - now, Fantastic Four has introduced their much more terrifying replacements. It's a reinvention a long time coming, but one ...