Come up with a question and stream of consciousness reasoning that would justify this answer: `` Last Forever '' , the series finale

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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The question is: The story of how Ted met The Mother is the framing device behind the series; many facts about her are revealed throughout the series, including the fact that Ted once unwittingly owned her umbrella before accidentally leaving it behind in her apartment. Ted and The Mother meet at the Farhampton train station following Barney Stinson and Robin Scherbatsky's wedding; this scene is shown in "Last Forever", the series finale. The Mother's death from an unspecified terminal illness in 2024, also revealed in the series finale, received a mixed reaction from fans.

Answer this question: in what episode does ted meet their mother?
Stream of consciousness: To answer the above question, the relevant sentence is: Ted and The Mother meet at the Farhampton train station following Barney Stinson and Robin Scherbatsky's wedding; this scene is shown in "Last Forever", the series finale.
