"Walking Dead" Season 6 Finale Script Made Andrew Lincoln "Sick To My Stomach"

AMC's "The Walking Dead" returns this Sunday with the premiere of the second half of Season 6, and to celebrate, the show has teamed with "Entertainment Weekly" for a half-dozen variant covers.

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Revealed this morning at EW.com, the covers feature Rick, Daryl, Michonne, Carol, Glen and Maggie, all geared up and ready to face new Walker threats. But are they ready for Negan?

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"I felt sick to my stomach when I read the script," star Andrew Lincoln said of his reaction to reading the script for the season finale. "It was the first day in the whole six years of working on 'The Walking Dead' that I was late for work because I woke up in the middle of the night and I couldn't get back to sleep. I was so angry and frustrated and I felt sick. And that was just after reading it."

Based on the Image Comics series of the same name, "The Walking Dead" returns Sunday, February 14 at 9 pm EST on AMC.

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