ted met the mother in season 9 in  last forever ''.
when does ted meet the mother in season 9?
`` last forever ''
na
na
ted meets tracy mcconnell in 2013 after barney and robin's wedding, being the last of the gang to meet her (barney met her six months prior, lily meets her on the train to the wedding, marshall meets her on the way to the farhampton inn, and robin meets her moments before she gets married.) tracy and ted meet while ted is waiting for the train to the airport to take him to chicago; however, he falls in love with her instantly, and changes his mind about moving. the following night, ted calls tracy and the two begin dating. almost two years later, they get engaged and start to plan for a huge wedding. in 2015, they delay the wedding because she gets pregnant with their daughter, penny; she gets pregnant again in 2017 with their son, luke. they finally get married in 2020 and live together until tracy dies in 2024. in the alternate ending, tracy is still alive at the time ted tells their children how they met.
ted mosby