Invasion - The Key

Seizoen: 1 - Aflevering: 17 / 17 - Eerst uitgezonden: 15 maart 2006 - Episode ID: 135311

Mariel begrudgingly performs an ultrasound when Christina demands to know what is growing so quickly inside of her. After the school reopens, Jesse is bothered by the way; some of the fellow students are acting. Russell and Dave investigate what Healy knew about the hybrids.