THE SNP leadership candidates are set to face off in the last of four scheduled TV debates. 

After a series of fiery debates on STV, Channel 4, and Sky, the hopefuls to replace Nicola Sturgeon as leader of the SNP and be the next first minister of Scotland will meet once again on BBC.

Here's everything you need to know about the BBC Debate Night special.

What time does the debate start? 

The debate is due to start at 8pm on March 14 and last for an hour.

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How can I watch it?

The Debate Night Leadership Special, from Edinburgh, will be available to watch on BBC one and will also be streamed live on BBC News online and iPlayer.

There will also be preview and post-debate coverage on BBC news.

How will the debate work? 

The debate will be hosted by regular Debate Night host Stephen Jardine and the live studio audience will have the opportunity to quiz the three candidates.

The National: Stephen Jardine will host the special episode of Debate NightStephen Jardine will host the special episode of Debate Night

When are the rest of the TV debates?

This is the final televised debate. The previous debates are available on STV, Channel 4 and SKy catch-up websites.

The remaining hustings will be broadcast via the SNP's social media channels. Those are on March 15, hosted by the Poverty Alliance/Robertson Trust, at 7pm and March 17, hosted by The Inverness Courier.