6. Jennifer Love Hewitt and Alicia Silverstone were almost involved in the show.
The Robin’s role was to be played by Hewitt but she declined and took part in another show. Silverstone was offered the role of Stella, but her team thought she could be overshadowed by Britney Spears.
7. Ted’s kids were the first who learned the ending.
Lyndsy Fonseca and David Henrie (Penny and Luke on the show) shot all of their scenes during the first season. At this time only the creators knew the ending of the show, so the children signed a confidentiality agreement. They kept the secret 9 years. When the show was over, David wrote on Twitter that finally his friends and family will stop harass him and Lindsy said she needs a new secret.
8. “Just in case” subplot
The creators were prepared with a subplot in case the show was canceled earlier by CBS. If there was a cancellation, guess who would have been the mom – Victoria, of course!
9. Unexpected pregnancies
Smulders and Hannigan both got pregnant during the show but the producers didn’t expect that and weren’t ready for a new scenario. Consequently, the actors played with hidden stomachs.
10. Lily and Marshall rarely kissed on screen
Lily didn’t like kissing Marshall, because he was a smoker. She described the feeling like ‘kissing with an ashtray’. This is the main reason they almost never kiss, but instead they found other ways to show Public display of affection!