New episodes return Wednesday, Oct. 7th @ 9pm E/P on Discovery! Check out exclusive footage straight from the MythBusters' own video cameras: http://go.discovery.com/?mkcpgn=ytdsc1&url=http://dsc.discovery.com/videos/mythbusters-raw/?smid=YTDSC-YTD-PLP
Adam demonstrates how (and explains why) helium turns you into Donald Duck, and sulfur hexafluoride into Satan.
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