Crossword #061 - Nautical Adventures!

Avast me hearties! AAARRRR!!! All aboard the good ship Cryptic Who! Join me able seamen for a voyage of discovery across the Seven Seas! We will battle sea monsters and plunder enemy ships for their booty! So pull anchor and put yer filthy backs into it, lads, for we set sail for Doctor Who's nautical adventures. The sea be treacherous out there - full of Sea Devils, the Myrka, and the Skarasen, I'll be bound. Get out yer quills and complete this here crossword! 

WE SET SAIL FOR VICTORY!

Captain Code Nine