Number one is the holy grail of Asian food, Mark Wiens channel on Youtube. Mark is an American with Chinese heritage living in Thailand with his wife and son. He has produced some of the most delightful restaurant reviews.
Here is a sample:
The second channel is Munchies “Chefs night out” series. The idea is to have one chef take the team around to his favourite 3 or 4 culinary hotspots in his city, then returning to his own restaurant. This is an awesome travel guide.