And the wheel keeps on turning

Question

Across
1. Ask me about glacial landforms (5)
4. Invalidate start of automobile race's first round (7)
9. Luciferous phenomenon shown by conservative TV network, with strong displeasure (7)
10. Someone from around here wrote: "Richard III flipped out, making a scene of astronomical proportions" (4)
11. Straggling serpent with crude, powerful tail (7)
13. Maybe The Big Sleep stars retired after being refused the lead in Oklahoma! (4)
15. Leaving Greek capital, move to Kuwait? (7)
16. James Bond essentially disappeared from Indiana's east (5)
21. In back woods live Ewoks, tiny creatures that eat grain (7)
22. American rock group covers mostly peaceful ceremony (7)
25. Nuclear power unit discarded by Victor (5)
26. Musician's less than stellar backing (7)
28. Star, say, turned away from what looks like an oasis in the desert? (4)
29. Magic child succeeds Jack in official documents, perhaps (7)
30. Media person reported embarrassing segment from the east (4)
31. Playing bingo with lowlife? Extremely dishonourable (7)
32. Occur at a time before hunt (7)
33. In what situation is whiskey present? (5)

Down
1. Asian ruler causes offence showing pieces of traditional weaponry (8)
2. Gloomy Polish criminal changed size (6)
3. Adolphe drinking fine port (4)
4. In broadcast, I evaluate method for contemporary artist (2,6)
5. Runner Farah refused to make profit from new website visitor? (7)
6. Tours' #1 cooking appliance has advertisement which is not demonstrably correct (8)
7. Devoted young adult is locked inside? That's funny (5)
8. Wipe out announcer's team from the Sunshine State (4)
12. Senior has chatted incessantly – he might creep you out (7)
14. Dictionary briefly brought up identical word for health concerns (7)
17. Female in team is under pressure (8)
18. Taking part of one, no time showing up for a second? (8)
19. Cut off relations with Engineer Sergeant (8)
20. Lost in the battlefield, surrounded, I left Italian army (7)
23. Cause separation from spouse, at one extreme, with almost 100% silent treatment (6)
24. Be in expectation to obtain Sinatra's debut track (1-4)
26. Sign of baby being behind piano (4)
27. Say hello to get food (4)

Answer 1

The solved grid should look like this:

Solutions to individual clues:

Across
1. Ask me about glacial landforms (5) KAMES = ASKME*
4. Invalidate start of automobile race's first round (7) ANNULAR = ANNUL (Invalidate) + A(-utomobile) + R(-ace)
9. Luciferous phenomenon shown by conservative TV network, with strong displeasure (7) FOXFIRE = FOX (conservative TV network) + F (strong) + IRE (displeasure)
10. Someone from around here wrote: "Richard III flipped out, making a scene of astronomical proportions" (4) NOVA = AVON< (i.e. Shakespeare, author of Richard III was from Stratford-upon-Avon...) (thanks @GarethMcCaughan in comments)
11. Straggling serpent with crude, powerful tail (7) ASPRAWL = ASP (serpent) + RAW (crude) + (-powerfu)L
13. Maybe The Big Sleep stars retired after being refused the lead in Oklahoma! (4) NOIR = (-o)RION<
15. Leaving Greek capital, move to Kuwait? (7) EMIRATE = EMI(-g)RATE
16. James Bond essentially disappeared from Indiana's east (5) JESSE = J(-_on_)ES'S + E (east)
21. In back woods live Ewoks, tiny creatures that eat grain (7) WEEVILS = _S LIVE EW_<
22. American rock group covers mostly peaceful ceremony (7) REQUIEM = RE(QUIE(-t))M
25. Nuclear power unit discarded by Victor (5) INNER = (-w)INNER
26. Musician's less than stellar backing (7) BASSIST = B (a grade that's 'less than stellar') + ASSIST
28. Star, say, turned away from what looks like an oasis in the desert? (4) MIRA = MIRA(-EG<)
29. Magic child succeeds Jack in official documents, perhaps (7) JOHNSON JOHN (Jack in official documents, perhaps) + SON (child)
30. Media person reported embarrassing segment from the east (4) MEDE = _ED EM_<
31. Playing bingo with lowlife? Extremely dishonourable (7) IGNOBLE = BINGO* + L(-owlif)E
32. Occur at a time before | hunt (7) PREDATE = ddef
33. In what situation is whiskey present? (5) WHERE = W (Whiskey) + HERE (present)

Down
1. Asian ruler causes offence showing pieces of traditional weaponry (8) KHANJARS = KHAN + JARS
2. Gloomy Polish criminal changed size (6) MOPISH = PO(L->M)ISH*
3. Adolphe drinking fine port (4) SFAX = S(F)AX
4. In broadcast, I evaluate method for contemporary artist (2,6) AI WEIWEI = "I weigh way"
5. Runner Farah refused to make profit from new website visitor? (7) NETIZEN = (-mo)NETIZE + N (new)
6. Tours' #1 cooking appliance has advertisement which is not demonstrably correct (8) UNPROVEN = UN ('1' in Tours, France) + PR (advertisement) + OVEN (cooking appliance)
7. Devoted young adult is locked inside? That's funny (5) LOYAL = LO(YA)L
8. Wipe out announcer's team from the Sunshine State (4) RAZE = (Tampa Bay) "Rays"
12. Senior has chatted incessantly – he might creep you out (7) STALKER = SR (senior) containing TALKE(-d)
14. Dictionary briefly brought up identical word for health concerns (7) OEDEMAS = OED (Dictionary briefly) + SAME<
17. Female in team is under pressure (8) SQUASHED = SQUA(SHE)D
18. Taking part of one, no time showing up for a second? (8) SEMITONE = _E NO TIME S_<
19. Cut off relations with Engineer Sergeant (8) ESTRANGE = SERGEANT*
20. Lost in the battlefield, surrounded, I left Italian army (7) MILITIA = MIA (Lost in the battlefield) surrounding I + L + IT
23. Cause separation from spouse, at one extreme, with almost 100% silent treatment (6) ENISLE = (-spous)E + SILEN(-t)*
24. Be in expectation to obtain Sinatra's debut track (1-4) B-SIDE = B(S)IDE
26. Sign of baby being behind piano (4) BUMP = BUM (behind) + P (piano)
27. Say hello to get food (4) CHOW = "ciao"