Grey's Anatomy channeled Glee (we don't care what Shonda Rhimes said, there's no way she planned a musical episode from day one). Now Hellcats is channeling The Walking Dead.

When The CW cheerleader drama returns Tuesday, April 19, Dan (Matt Barr) shoots a zombie horror flick for his film school application and casts the Hellcats as actors in the project.

The network's marketing department thus jumped on the chance to make promotional materials out of this. Here's a poster (video preview to come soon) hyping the episode ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.