Cryptic crossword No 3,818

Across

1. Spotted character in Matilda dancing - a hint of nostalgia (9)
2. Guardian setter briefly held behind in plane (7)
3. Note: Puccini opera not to debut in lavish Australian opera house (2,5)
4. Bear a child on Sabbath, embracing boy (7)
5. Non-Chalcedonian - am I his type? Possibly (10)
6. How one arrives after another comes forth in speech? (7)
7. Live together (2,7)
8. Dig up extremely rare bones in hill (5)
9. A great distance away from beheaded lamp-thief? (4)
10. See 9a
11. Fictional dog's fluffy coat for normal and ultimately rainy days sold out (5,7,4,10,5)
12. See 9a
13. See 9a
14. Gizmo dealt with wash without drop of soap; at last, get this mogwai wet (7)

Down

1. Greek character beginning to fumble fine china, spilling tea and cake (6)
2. About time my blueprint turned up! That's contentious (3-3-3)
3. Nick has love for Spanish snack (6)
4. Single Frenchman and Spanish wife on inane activity (2,3)
5. Military advised to retreat, hosting triumphant celebration (1-3)
6. Scattered population spoke up for Spanish Antilles' leader (8)
7. Travelling to the North Pole, possibly round cricket fields? (5)
8. Dodgy estate agents shifting dilapidated tentage for capital (5)
9. See 9a
10. With Mormons following, doomed to die in Bannockburn battle sites (6)
11. Original substance of, say, Le Mans (4)
12. Meat spread left out of dish (4)
13. Fulham's playing around centre of field is atrocious (8)
14. One for Paris, one for Rome... at least six games returned ties (6)
15. Old man about church: "Avoid beast with low belly" (9)
16. Nail Club Atlético's third Away in the first half (4)
17. Criminal stole one (8)
18. Hero messenger capturing Brigitte Bardot's bottom in exchange for money (8)