Netflix releases the trailer for the documentary series about Britain's Prince Harry and Meghan

It comes two years after the couple stepped down from royal duties and moved to California

Since then they have delivered stinging criticism of the British monarchy

including allegations of racism

which has led to a rift with the rest of the royal family

Netflix said the series would explore "the challenges that led to them feeling forced to step back from their full-time roles in the institution."

The first clip from the much-awaited six-part documentary

comes just as the British royals wrestle with a new race row

Prince William's godmother has resigned from her honorary role in the royal household

after allegedly making racist remarks to a Black woman at a high-profile Buckingham Palace function