Because she didn't have any arms. Knock Knock..who's there..Not Sara.
Because it was dead.
Eric Clapton wouldn't let a baggie of cocaine fall out the window.
Cause she's got no arms. Knock Knock. Who's there? Not Sally.
Peter Parker can swing a web. Clark Kent.
The pilot.
2.Knock Knock 1.She didn't have any arms!! 2. Who's there NOT SARA!!