- This article is about Mrs. Arlen's son. For all uses of the same last name, see disambiguation page: Arlen
Mrs. Arlen's son is a character first introduced in Jack's flashforward in "Through the Looking Glass, Part 1".
Jack saved him and his mother after they had a car accident at a bridge. After the accident, he didn't seem to have any life-threatening injuries. His left arm was in a sling, but that injury did not appear to be serious. ("Through the Looking Glass, Part 1")