Brothers Convince Sister Zombie Apocalypse Is Happening, See What Happened Next.

#1 The brothers convinced their little sister that a zombie outbreak had struck Washington, D.C.

Phillips tweeted:

"Last week my sister was high from wisdom teeth surgery and our friends, family and dentist convinced her that a zombie outbreak was happening,"

#2 She just had wisdom teeth surgery

..and was under the influence of heavy medications.

#3 According to USA Today,

Cabot, Hudson and Barrett Phillips got their friends, family and dentist to help with the epic prank, which was captured on video.

#4 The clip was posted to YouTube by Cabot Phillips on April 11 and has more than 800,000 views.

#5 They even had fake emergency radio broadcasts and a desperate call from mom and dad, who were surrounded by zombies.

#6 The sister, Millicent, struggles to make sense of it all.

#7 When her brothers opt to arm themselves with garden tools.

she asked:

"A garden hoe isn't what we want," she said. "We have guns, why are you putting garden equipment in the car?"

#8 The brother force Millicent to decide between saving the dog or the cat.

"THE CAT, YOU IDIOT! THE DOG IS ALREADY DYING!"

#9 She makes tough decisions fast..

#10 Cabot Phillips told USA Today.

"We just didn't anticipate how expressive she would be, and how many one-liners she'd produce even when terrified and in a drug-induced state,"

Check it out here: