Plot: Look out behind you! It's Ellen's spooky Halloween Show! You don't want to miss what she'll be this year -- she's going as something that everyone is talking about! Ellen is starting off with a treat for everyone -- VANESSA WILLIAMS is dropping by! She's the newest housewife on Wisteria Lane -- and the claws are out! Then, you can't have Halloween without a few tricks, so science guy STEVE SPANGLER will bring some fun science tricks that will have everyone screaming! Plus, Ellen loves scaring people during Halloween; her guests, her audience -- even her staff. This time, it might be YOU!