Robin dropped quite the shocker on How I Met Your Mother viewers last episode - and the ramifications will continue to be felt on Monday's "Symphony of Illumination."

As you can see in the following clip, it will take Barney several instances of passing out before his ex-girlfriend's news sinks in. You may then be surprised by his reaction once it does... along with the reason why Robin knows for certain that any potential baby cannot be Kevin's.

Watch now, laugh now and then return to TV Fanatic full a complete rundown soon after the installment airs:

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