Nautilus is ready to take the plunge this summer. TVLine has learned that the British adventure drama will (at long last) debut Sunday, June 29 at 9/8c on AMC and AMC+, with its first two episodes.

Few stories are more tailor-made for summer than the adventure tale. As a lover of television who also grew up spending my breaks from school at the local library, I've always been on the lookout for ...