It may have been the most traumatic episode in the history of The Secret Life of the American Teenager. And our review of the season three finale certainly drew more interest than any before it.

Fortunately, fans won't need to wait very long to see what happens next between Ben, Adrian and company: season four kicks off Monday. Yes, already!

What is on tap for the ABC Family drama? Watch the following preview and get an idea:

When One Door Opens Preview

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.