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The Computer catches a virus - in fact, it's probably the most common virus on Earth.

With Uljabaan's sole method of control, analysis and communication now compromised, the invasion is doomed in more ways than one...

Eddie Robson's sitcom about aliens invading the village of Cresdon Green.

Starring Hattie Morahan and Peter Davison.

Noticing all-at-once invasions of Earth never work out too well, these aliens have locked villagers behind an impenetrable force-field in order to study human behaviour and to decide if Earth is worth invading.

The only inhabitant who seems to be bothered by their new alien overlord is Katrina Lyons, who was only home for a weekend to borrow the deposit for a flat.

So along with Lucy Alexander (the only teenager in the village, willing to rebel against whatever you've got) she formed The Resistance - slightly to the annoyance of her parents Margaret and Richard.

This is also much to the annoyance of Field Commander Uljabaan who, alongside his unintelligible minions and The Computer (his hyper-intelligent supercomputer), is trying to actually run the alien invasion.

Katrina Lyons ...... Hattie Morahan
Richard Lyons ...... Peter Davison
Margaret Lyons ...... Jan Francis
Lucy Alexander ...... Hannah Murray
Field Commander Uljabaan ...... Charles Edwards
The Computer ...... John-Luke Roberts
The Virus ...... Cerrie Burnell

Script-edited by Arthur Mathews.

Original music written and performed by Grace Petrie.

First broadcast on BBC Radio 4 in November 2014.