Watch John Oliver's 'Salmon Cannon' Hit Our Studio

Just when we thought we'd seen it all.

On Sunday's episode of 'Last Week Tonight,' host John Oliver made us all privy to the 'Salmon Cannon,' which, as you probably guessed, shoots salmon out of a cannon.

Well, sort of, anyway. The invention is actually a long tube that was designed in Washington state to help fish migrate across dams.

Regardless, it's a fascinating specatcle to watch -- so fascinating that Oliver went ahead and built his own salmon cannon in his studio.

In this case, though, the salmon never made it across Washington; rather, they wound up in the oddest of places -- like, you know, our kitchen studio.

Watch what happens when the salmon comes face-to-face (or, rather, head-to-head) with Rach in the hilarious clip, below.