The episode concludes with an emotional farewell between Gibbs and McGee. Gibbs reveals he has finally found a sense of "peace" that has eluded him since the deaths of his wife and daughter and decides to stay in Alaska indefinitely. NCIS Special Agent Leroy Jethro Gibbs Mark Harmon NCIS Special Agent Timothy McGee Sean Murray FBI Special Agent Alden Parker NCIS Director Leon Vance Rocky Carroll Dr. Donald "Ducky" Mallard David McCallum Marcie Warren Pam Dawber Sonia Eberhart (Sonova CEO) Valarie Pettiford Major Highlights
, titled "Great Wide Open," is a landmark episode in the series as it marks the final appearance of Mark Harmon as a series regular. Plot Summary
: Throughout the episode, Gibbs shares poignant farewell moments with Vance, Ducky, and finally McGee, to whom he says, "I love you, man".
