Sonic Rainboom was probably one of the most well recieved episodes of season one. If people were on the fence about pony before it, this one shot a cannon ball and sent them sailing into GLORIOUS EQUESTRIA. Everything from the Cloudsdale to the sonic rainboom itself were straight up epic.
We have some links for those that missed previous episodes and want to catch up for all that Japanesy goodness:
Subtitled Episodes:
Winter Wrap Up
Call of the Cutie
Fall Weather Friends
Suited for Success
Feeling Pinkie Keen
For previous episodes and more, head over here.
Songs:
Cupcakes
Japanese opening #2 with intro video
And head on down below the break for the usual embed and Sonic Rainboom! Show starts at 7:30 Japan time, or 3:30 Pacific (30 minutes from the creation of this post)