Wow three JW puzzles in succession and each one a completely different look. Today is totally silly, taking a single letter out of a cereal name to create a very foolish sounding concoction.
PARFAIT, ON A RIDE, LAVORIS, FLORIST, I/LL HIDE, CLEANER, SETTERS, TRADE IN, PLANARIA, DERRIERE, INCHOATE, ROPE KNOT, ON RECEIPT; ARTICHOKE
18A. Knockoff cereal? : FROSTED F
28A. Cold cereal? : PUFFED
37A. Recalled cereal? : FROOT
48A. Prohibited cereal? : RAISIN B
57A. Mystery cereal? : SHREDDED WH
Across:
1. Did a gondolier's job : POLED. Venice (Vennis) anyone?
6. Wedding planner's contact : FLORIST. I loved our wedding flowers.
13. Like antique watches : ANALOG. Not digital.
15. Freshwater flatworms : PLANARIA. Ucky WORMS.
16. Hiker's challenge : RAVINE. A deep narrow steep-sided valley, esp one formed by the action of running water.
17. Caboose : DERRIERE. Not of the train, but of the body. French.
20. Swift's medium : AIR. Tom Swift?
21. Runner in the Alps : SKI. Nice misdirection.
22. Expire : CEASE.
26. "And if __, no soul shall pity me": King Richard III : I DIE. They did not even after Shakespeare tried to help.
32. Charged wheels : TESLAS. Electric cars.
35. With 24-Down, course for future pundits : POLI. 24D. See 35-Across : SCI. Political Science.
36. Hägar creator Browne : DIK.
40. "Get off the stage!" : BOO. Hiss.
43. Corrida figure : TORO. The bull.
44. Philosophers' subject : ETHICS.
51. "Ex's & Oh's" singer King : ELLE.
https://www.youtube.com/watch?v=0uLI6BnVh6w
52. MetLife competitor : AFLAC. Insurance companies.
53. Span of note : ERA.
56. Court mulligan : LET. The odd tennis do over on your first serve.
62. Disorganized : INCHOATE. Really more unformed than disorganized, especially in the law.
65. Emmy-winning role for Julia : ELAINE Benes.
https://www.youtube.com/watch?v=rawLHmdkpl8
66. Mooring hitch, for one : ROPE KNOT.
67. More thoughtful : KINDER.
68. Deal on a lot : TRADE IN.
69. Round components, maybe : BEERS. Whew, half done, let me get this round.
Down:
1. Baskin-Robbins offering : PARFAIT. I never knew they had these.
2. Enjoying the amusement park : ON A RIDE.
3. Brand that's swirled, not swallowed : LAVORIS.
https://www.youtube.com/watch?v=M_-fcN5x49w
4. Eero Saarinen and others : ELIS. More Yale, he graduated from their school of architecture in 1934.
5. They're forbidden : DON'TS.
6. Little nipper : FLEA.
7. Frolic : LARK.
8. How some deliveries are paid : ON RECEIPT. COD?
9. Brought up : RAISED.
10. Choler : IRE.
11. Mr. Bumble, to Oliver Twist : SIR.
12. __ Bo : TAE.
14. "The Big Bang Theory" figure : GEEK. Rhymes with 25D. "That's scary!" : EEK. 54D. Be offensive, in a way : REEK. Did you watch GOT and the REEK?
15. Freebie from Adobe : PDF. Portable Document Format.
19. Go down : DIP. Love these two together.
23. Prop up : AID.
27. Middle-earth figure : ELF.
29. __ point: with limitations : UP TO A. A partial?
30. Rock's __ Fighters : FOO. When Cobain died, his drummer founded THEM.
https://www.youtube.com/watch?v=XjBUBFKb5zY
31. Penguin's perch : FLOE.
33. Edible thistle : ARTICHOKE.
34. "Just another minute" : SOON.
38. Spheroid : ORB.
39. Ewe or sow : SHE.
40. It may be wired : BRA.
41. Boor : OAF.
42. Peanut product : OIL.
45. Offer to a potential seeker : I'LL HIDE.
46. Dry __ : CLEANER.
47. English and Irish : SETTERS.
49. Like some beauty contest winners : SASHED.
50. Neighbor of Homer : NED.
55. Response to a heckler : AD LIB.
58. Indian royal : RANI.
59. "The most private of private schools," to Hugh Laurie : ETON.
60. Rizzoli of "Rizzoli & Isles": Abbr. : DETective.
61. Decrease : WANE.
62. NYC subway : IRT. Interborough Rapid Transit was a private company until bought by the city in 1940.
63. "__ will I" : NOR. Talk about your obscure clue/fill combos. Am I missing a famous quote?
64. IRS employee : CPA. Certified Public Accountant.