Lori Harmon

Frasier tries to reunite his family after discovering an old feud with his Greek aunt is affecting a big occasion.

Now that Derek has the engagement ring, he searches for the perfect way to propose to Meredith, as Lexie demands that Mark go public with their relationship.

In the fourth season premiere, a 1995 case involving two teenage boys who committed suicide after going on a murderous rampage at a local mall is reopened when evidence shows there may have been a third shooter. Rush and the team notice that the third shooter managed to leave the crime scene by pretending to be a survivor.

In an effort to raise income, Nate and David decide to rent out a room in the funeral home; Claire struggles to grasp the lessons of her outreach hike in the mountains; Ruth attempts to reconcile her feelings about Hiram; Brenda's Aussie friend gets under Nate's skin; and David is buoyed by the news of extra funeral business.

Carolyn and Palek try a more aggressive approach in their efforts to get pregnant; May suggests a first step to solve David and Katie's intimacy problems; Jamie vows celibacy, but finds Nick, whose own relationship is on the rocks, hard to resist.