Forget meeting the Mother for a moment, HIMYM fans.

On tomorrow night's episode of this CBS hit, viewers will meet Ted's new girlfriend, played by Ashley Benson of Pretty Little Liars. The only problem? She's 20-and-a-half years old. Almost.

Watch Ted explain the situation - along with how he saved the life of a woman - in the following clip:

Fans can also look forward to Robin adjusting to the power of her new bling on "Ring Up." Follow that link to check out the official promo and visit TV Fanatic soon after the episode airs for a detailed review.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.