[s5e9] The Christmas Tree Instant

: The West Wing is being fully decorated for Christmas. A major subplot involves C.J. Cregg struggling to set up a large Christmas tree in her office.

: A man in a Santa suit literally falls from the sky and lands on a Christmas tree, leading Castle and Beckett to investigate the bizarre death. [S5E9] The Christmas Tree

: Danny Williams (Danno) goes on a quest to find the perfect Christmas tree for his daughter, Grace. : The West Wing is being fully decorated for Christmas

: Lex sees a life where he is stripped of his fortune but happily married to Lana Lang, raising a young son. : A man in a Santa suit literally

: President Bartlet prepares for a tree-lighting ceremony while dealing with a controversial euthanasia case and his daughters' arrival for the holidays.

: A comedic moment arises when a seller describes a tree to Danny as a Colorado Blue Spruce, even though it is actually a Norfolk Pine common in Hawaii.

In this iconic episode, Lex Luthor is shot and falls into a coma, where he experiences a dream of a possible future.