Bolt Strike isn't a TM. It can only be learned by Zekrom when he turns lvl. 100. You can also get a Victini with Bolt Strike by Nintendo Wi-fi Event or a Rayquaza with it by Nintendo Wi-fi Event. I don't know for sure, but it may be possible to teach someone else Bolt Strike with an Action Replay.
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You can't find swords dance as a TM in Pokemon Black
It's not a TM
Rollout isn't a TM.
Crunch has never been a TM move...
there is no defog in pokemon black/white