The fast - food chain is tackling rumors about pink slime, McRibs and horse meat with the help of
former «
MythBusters» co-host Grant Imahara, in a new ad campaign.
The fast - food giant hired the
former co-host of Discovery Channel's
MythBusters, Grant Imahara, to make a series of videos exploring the ins and outs of McDonald's suppliers and restaurants, attempting to kill stories of wormy burgers and pink slime.