Across
"Crazy Peter" returned back to Parkhurst secured (4,4)
I haven't cracked this one yet — but Times for the Times have:
MAD + SAFE backwards + [Parkhurs}T.
Answer complex maths problem (6)
Stairs fitted with a new window (8)
I haven't cracked this one yet — but Times for the Times have:
F(A,N)LIGHT. With a tip of the hat to last Friday’s puzzle.
Conflict with rowing has papa hiding away in shed (4-2)
Popular enthusiast, he leaves electronic band Wunderkind (6,7)
I haven't cracked this one yet — but Times for the Times have:
IN + FAN + T[he] PRODIGY, presumably an electronic band.
"Porky George" vacated the city (5)
I haven't cracked this one yet — but Times for the Times have:
LIE + G[eorg]E.
Instrument essential to diagnose flu tested (4,5)
Daughter baking rich cake which collapses entirely? (9)
Nameless financier, one making lots of dough (5)
Where the riders could be Doris, Robin and Jason? (5-3,5)
Fumes from hansom cab regularly parked behind motorway (6)
I haven't cracked this one yet — but Times for the Times have:
M1 + [h]A[n]S[O]M[c]A[b].
Support structure bolstered by final column (8)
Bug in weed (6)
Sole paper in France sacking European area head of business (5,3)
I haven't cracked this one yet — but Times for the Times have:
LE MOND[e] + A + B[usiness].
Down
Family day out taking in Lerner's latest musical (2,4,4)
I haven't cracked this one yet — but Times for the Times have:
Anagram of FAMILY DAY + [Lerne]R.
Dingy, endless Herbert novel (3)
Dodgy dealer importing wraps of Afghani type of pot (7)
I haven't cracked this one yet — but Times for the Times have:
F(A[fghan]I)ENCE.
Miserable German school, free hospital and adult university drained exchequer (12)
I haven't cracked this one yet — but Times for the Times have:
SCH + OPEN + H + A + U + E[xcheque]R. The literal hardly does justice to an important philosopher who expanded on Kant’s ideas.
Officer and that woman play the same thing over and over again (7)
Plant lychees on UK ground (11)
Lay out old lady upset and in a frenzy (4)
I haven't cracked this one yet — but Times for the Times have:
K.O. MA upside-down.
Nice voters turned out to embrace very advanced politician (12)
I haven't cracked this one yet — but Times for the Times have:
Anagram of NICE VOTERS around V,A.
Eggy bread that precedes a digestif? (6,5)
I haven't cracked this one yet — but Times for the Times have:
Cryptic hint, I believe; do the French propose a toast before drinking their postprandial Armagnac?
Matinee idol Nick oppressed by hot temperature in our home (5-5)
Dark brown animal with Arab on board (7)
Complaint leads to argument leaving one cross (7)
I haven't cracked this one yet — but Times for the Times have:
BEEF + A[rgument] L[eaving] O[ne].
Portend compiler breaking leg (4)
I haven't cracked this one yet — but Times for the Times have:
O(ME)N.
A little Tango commercial (3)
Type letters or click words in the clue