Ahhh, the international language of love! Those two will be knocking boots in no time, methinks. But seriously, props to Rollo for learning how to say "hello" in French. It was such a sweet sentiment, and his grin at the end absolutely slayed me. I don't blame Rollo for at least considering Charles' offer of the title of duke and some land in exchange for Rollo siding with the French. I have my doubts that he'll actually defend Paris against Ragnar when the spring rolls around, but marriages in those days were more about brokering peace, weren't they? Ragnar's already had his nibbles of Paris, so why wouldn't Charles do like the British kings and employ Ragnar and his men to help him rid the land of his competitors, including his brothers who hate him? Whatever the case may be, I need to see more of Rollo and Gisla as soon as possible. That's going to be a lot of fun.
"The Dead" was an odd finale that wrapped up Ragnar's raid on Paris while also planting the seeds for more French interaction in the future. While there are a few lingering story threads that may go unresolved forever—like Ragnar's Christianity or his beef with Floki—the historical-based plots are wide open, with both France and England in the mix and plenty of trouble back home. Overall, Vikings closed out Season 3 in a very nice position for Season 4.