Alyson Hannigan on 'How I Met Your Mother' Finale: Whole 'Room Was Crying' (Video)

Alyson Hannigan

The actress reveals secrets of the CBS show's final episode during a chat with Jimmy Kimmel.

One week away from the finale of How I Met your Mother, star Alyson Hannigan is dropping tiny hints as to how it all ends.

I killed a lot of trees with my crying," Hannigan said on Jimmy Kimmel Live! on Tuesday, adding that at the final table read: "99 percent of the room was crying. That's executives and everything." See what other tidbits she dropped about the final episode below.

Also on Kimmel, the show took to Hollywood Blvd. to ask little kids what curse words they knew.

On The Colbert Report, former President Jimmy Carter brought the charm, gently mocking Stephen Colbert's conservative personality and dismissing the Comedy Central host's ribbing that he isn't popular with other Commanders in Chief: "In the South we don't get that close to other men."

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On The Tonight Show, Jimmy Fallon challenged Jude Law to make his face less handsome than usual in a "Funny Face-Off.

Twitter: @AaronCouch