Grimm: Episode 5x21 & Episode 5x22 " Beginning of the End, Part 1 & Part 2" Promo (HD) (2-Hour Season Finale)

Here's a promo for next week's 2-hour season finale, episode 5x21 "Beginning of the End, Part 1" and episode 5x22 "Beginning of the End, Part 2". It looks like the season finale is going to be really awesome. :)