1. g 2. g 3. g 4. 5.  6.  7.  
8.       g   g   g   g
  g   g   g 9.       
10.       g   g   g   g
  g   g   g g 11.      
12.     13.    g   g   g
  g   g g   g   g g 14. g 15.
g 16. g 17. g 18.   19.     
20.       g g   g   g  
g   g   g   g 21.      
22.        g   g   g  
g   g   g   g 23.      
24.        g   g   g  

ACROSS

4. Hunger for 151 staple. (7)

8. (12-Across) is (21-Across)? (3,3)

9. Magic heart joins some (5-Down), to make someone not (5-Down). (7)

10. African quadrupeds' confusion is real. (6)

11. Fifty-fifty in level cultivator. (6)

12. Bug briefly by letting RPM hothead replace TV tourer in (5-Down) mixup. (8)

18. Unnecessary VR switch in (13-Down) mixup. (8)

20. Love, in a trice, wild, able to grow things (13-Down)? (6)

21. (18-Across) but not airy, we hear - airborne, perhaps? (6)

22. All take on place in phonic with likeness to something (13-Down). (7)

23. Visiting a German in early segments. (6)

24. Bad sign as hedonist restricted to ground. (7)

DOWN

1. African quadrupeds' A/E confusion sticks. (7)

2. Put gin into thy noble heart, back as (12-Across) (8-Across). (2,5)

3. Mostly alps hosted this event, especially back when without road or extremes of plenty. (6)

5. Be unresponsive and tag replacement of 151 in (18-Across) mixup. (8)

6. Turn the wheel I turn and extract the mineral. (6)

7. (11-Across) in a wedge? (6)

13. Showing growing response due to (12-Across) T-151 mixup, with loss of Map H. (8)

14. Aranged vim in a leading tablet? (7)

15. Trace from lice displaced by GIs in (18-Across) mixup. (7)

16. Vault on ancient magistrate? (6)

17. Craziest lusty satanic leader on record! (6)

19. Caustic hose nozzle trimmed for (18-Across). (6)