Puzzle

 ACROSS



  1 Fort Knox has gold ones

  5 Unfreeze

  9 Sailboat poles

 14 Loads and loads

 15 Org. for rocket scientists

 16 Swell up

 17 California wine country

 18 Former Russian ruler

 19 Entertain

 20 Prepared for knighthood

 22 Snowballs, in a snowball fight

 24 Start the pot

 25 Resident of the Hamptons, e.g. (see letters 1 to 5)

 28 Not mono, perhaps

 30 Dad

 31 Was the leader of

 32 "Tainted Love" band (1 to 5)

 36 List-ending abbr.

 37 Bit for a horse?

 38 Contend

 39 Unfortunate part of a stick (1 to 6)

 43 Conan who's not a barbarian

 46 ___ Grey

 47 Standards of perfection

 48 Tough ball for a shortstop to field (1 to 5)

 52 Revise, as text

 53 Cheeky comments

 54 Entice

 58 From around here

 60 Stud poker?

 62 Strong wind

 63 Purple candy's flavor, often

 64 Maker of detergent PODS

 65 Where Adam met Eve

 66 Building add-on

 67 Small bills

 68 What an Impossible Burger eschews

DOWN



  1 Vault's place

  2 Rickman who played Snape

  3 Plastic weapon in Clue

  4 No longer moving

  5 Palindromic explosive

  6 Attempts, with "at"

  7 "Same here"

  8 Fond place in the heart, figuratively

  9 Degree for an exec

 10 Yearly book of facts

 11 "Bang" or "boing"

 12 Sample

 13 Turn left, say

 21 Ripped

 23 "Frozen 2" snowman

 26 Homer's neighbor

 27 Like the name Matt, for a yogi

 28 Rogen or Meyers

 29 Food you might eat on a Tuesday

 31 "___ Just Not That Into You"

 32 Down in the dumps

 33 Like the serpent in 65-Across

 34 They made Pinocchio's nose grow

 35 Name within "Valentina"

 37 Temporarily in the possession of

 40 Excessive forms and such

 41 "You're it!" game

 42 Messes up

 43 Like every prime except two

 44 Borscht need

 45 Uncommon precious stone

 47 Not out and about

 48 Hagar the Horrible's wife

 49 Decorate

 50 Puerto ___ (resident of San Juan, e.g.)

 51 Bolt who bolts

 55 Created

 56 "Not guilty" or "no contest"

 57 Sleeping bag cover?

 59 Luthor in "Superman"

 61 "___ Miserables"

Solution