Dan Scott continued on his road to redemption this week on One Tree Hill, as the search for Nathan intensified.

But next Wednesday is the episode countless fans have been waiting years for: Chad Michael Murray returns as Lucas!

Look for Haley to seek this character's help, while, elsewhere, Brooke comes face-to-face with Xavier on "Last Known Surroundings" and Julian discovers evidence that might lead to Nathan's location. Get your first look at what's to come via the following preview and browse through our One Tree Hill quotes section for the latest quips.

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