Rachel Brosnahan's Fake Internet Birthday Fooled Benedict Cumberbatch

Rachel Brosnahan explains how she wound up with two completely fake birthdays on the internet, teases what's to come in Season 3 of The Marvelous Mrs. Maisel and shares what it was like going through JFK airport security in full costume.
Subscribe NOW to The Tonight Show Starring Jimmy Fallon:

Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c

Get more The Tonight Show Starring Jimmy Fallon:

JIMMY FALLON ON SOCIAL
Follow Jimmy:
Like Jimmy:
Follow Jimmy:

THE TONIGHT SHOW ON SOCIAL
Follow The Tonight Show:
Like The Tonight Show:
Follow The Tonight Show:
Tonight Show Tumblr:

The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show, including comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags! You'll also find behind the scenes videos and other great web exclusives.

GET MORE NBC
NBC YouTube:
Like NBC:
Follow NBC:
NBC Instagram:
NBC Tumblr:

Rachel Brosnahan's Fake Internet Birthday Fooled Benedict Cumberbatch
#FallonTonight
#RachelBrosnahan
#JimmyFallon