This past Sunday's 'Walking Dead' season 4 installment "Infected" showed us that none of our favorite survivors are safe when it comes to the deadly new disease ravaging the post-apocalyptic Georgia landscape, but who will fall before the prison gang can get the contagion under control? The group may have a herd of bigger problems, judging by the latest photos from the next episode, "Isolation!"

Following the two clips we've seen from the installment already, AMC's official photos from "Isolation" see Rick and Carol on the case to investigate both the murders and the deadly illness, while Bob, Daryl and Michonne look for supplies in the wild. And while we don't quite see them from the pictures, we can think of about 7500 major problems the trio will have between them and the needed supplies!

Written by series creator Robert Kirkman, here's what AMC has to say about Sunday's "Isolation"

As one group leaves the prison in search for supplies at a local college, those who stay must deal with recent losses while preserving what remains.

Elsewhere, ‘The Walking Dead’ season 4 features ‘The Wire’ star Lawrence Gilliard, Jr. as comic character Bob Stookey, and will introduce ‘Southland‘ vet Michael Cudlitz as Sgt. Abraham Ford, Josh McDermitt as Eugene Porter, ‘Twilight‘ vet Christian Serratos as Rosita Espinosa, and Alanna Masterson as a new mystery character. The returning David Morrissey’s villainous Governor has been upgraded to series regular, though beyond this season his involvement seems unlikely.

Check out the latest photos from 'The Walking Dead' season 4 below, and give us your predictions for the hour in the comments!

The Walking Dead Season 4 Isolation Photos
AMC
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The Walking Dead Season 4 Isolation Photos
AMC
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The Walking Dead Season 4 Isolation Photos
AMC
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The Walking Dead Season 4 Isolation Photos
AMC
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The Walking Dead Season 4 Isolation Photos
AMC
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