TEXT: Marshall, Lily, Ted and Robin are in McClaren's. Robin: Barney's crazy if he thinks it'll work. Marshall: I think it'll work. Lily: I hope not. Ted: There he is. Barney arrives at the bar, disguised as a senior. Barney (old): You there, what's your name? Woman: Excuse me? Barney (old): Your name, woman, what's your name? Wife Cindy. Barney (old): I knew it. You are "the" Cindy, one that can change everything and bring us to our downfall. Listen to me, Cindy. I am Barney Stinson, and I have an urgent mission from the future. Cindy: From the future? Barney (old): The future, and I can prove it to you. In exactly four seconds, the woman at this table will slap this man. Robin slaps Ted. Ted: What are you doing? Barney: In a few minutes, the young me your time will enter through this door. I know it sounds crazy, but to save the planet, you have to sleep with him tonight. Cindy: What? I... Barney (old) to bed with Barney Stinson tonight, do whatever he wants, or he will find no solution to global warming that would save the human race. Cindy: You mean what? Barney (old): I have not the time to explain. I must return to reality accelerator before the vortex closes. Only you can save us, Cindy. I must go! Barney leaves the bar. Lily: Well, the movers arrive in 14 hours. We have to go back to finish the boxes. Robin: You have not finished? Why is it so long? Ted: The best memories of our 20 years were held in it. It's not that throw stuff in a box. You look back at the past. Robin: Not me. The key? Discard tips and not looking back. I go to Japan. It took me half an hour. Lily: A half hour? Robin: I could take 20 minutes, but a friend called me in tears. Marshall: Moving is very moving. Ted: But it is. Finally, everything changes. I will live with Stell
SUMMARY:
When Ted discovers that the gang ditched their plans to stage an intervention for his engagement to Stella, he is adamant that they go through with it anyway.