Ready to flashback, Revenge fans?

On Sunday's new episode of this ABC thriller, we'll travel back to 2006. What can viewers expect from this trip down memory lane? A visit from Victoria's estranged mother, which explains a great about the woman Emily has been so intent on taking down.

Watch a sneak peek at "Lineage" now:

Elsewhere, we'll witness Emily's very first mission under Takeda's training, where she meets Aiden and discovers what has led him down a similar vengeful path.

Check out a clip of these two working undercover now and be certain to visit our Revenge spoilers section for a lot more scoop on what's to come:

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