- 1 ONE
44D It appears twice in the Fibonacci sequence
64613 - 2 ACE
64A Expert
57493 - 3 TSA
57A Screening grp.
53189 - 4 ERE
59D Lead-in to long
43602 - 5 ICE
25D Contents of a certain shelf
40391 - 6 ESP
61D Rafael Nadal's home country, in the Olympics
35344 - 7 RAT
19D Snitch
29280 - 8 LIE
16A "I was stuck in traffic," maybe
28318 - 9 ALL
53D ___ ears
28299 - 10 SRO
42A Sign of a hit
24251 - 11 ODD
6A Curious
24209 - 12 IPO
31A Tesla had one in 2010, for short
20133 - 13 AKA
21A Link between two names
19211 - 14 ENG
32A K-12 subj.
17160 - 15 DEA
5D Org. with strict schedules?
16124 - 16 PRO
47D Expert
15214 - 17 AWOL
33A Like someone receiving baseless accusations, maybe?
15167 - 18 NON
23D Prefix with binary
13143 - 19 YER
45A Gen ___
1280 - 20 SEN
67A Ottawa N.H.L.er, to fans
11184 - 21 SOW
9D Scatter
1188 - 22 ABIDE
10D Bear
1181 - 23 PANEL
68A Discussion group
965 - 24 ENTRE
14D French lead-in to "chat"
896 - 25 DRONE
15A Aerial view provider
863 - 26 YSL
62D Designer inits.
799 - 27 MIN
39D Low point: Abbr.
762 - 28 OLDS
6D Parents and grandparents, in slang, with "the"
6103 - 29 ADEN
56D Mideast locale of Sira Fortress
5163 - 30 ONEAL
55A N.B.A. great with a doctorate in education
5140 - 31 FOB
30D Key ring item
544 - 32 ASTIN
22A Sean of "Stranger Things"
461 - 33 ADDED
1A Part of V.A.T.
443 - 34 SAGAN
28D Astronomer Carl
429 - 35 HONDA
54A Giant on both the Nikkei and N.Y.S.E. indexes
428 - 36 LOSETO
13D Not beat
416 - 37 ADZ
1D Wood-shaping tool
363 - 38 WASTE
34D Throw it away
341 - 39 AENEAS
48D Trojan War hero
339 - 40 OBERON
17A Titania's spouse, in Shakespeare
339 - 41 ENCASE
66A Completely cover
336 - 42 HYATT
26D Hilton alternative
326 - 43 SPEWS
65A Spouts
325 - 44 DREAMON
2D "Pigs will sooner fly!"
323 - 45 PETSPA
50D Where lab coats get cleaned?
37 - 46 DINER
24A Scene in Edward Hopper's "Nighthawks"
232 - 47 AYEAYE
53A Roger on the high seas
226 - 48 FIONA
30A Apple on Apple Music
226 - 49 NEUTER
63A Fix, in a way
226 - 50 CONEY
29A ___ dog
217 - 51 SAMPLE
9A Taste
215 - 52 ROYALWE
43D "I"
213 - 53 HATES
52D Gives zero stars, say
134 - 54 UPTON
49A Long Island home of Brookhaven National Laboratory
130 - 55 IMLATE
58A "Alice in Wonderland" cry
125 - 56 GINS
35A Generates dubiously, with "up"
122 - 57 DENIRO
8D Co-star of 2019's "Joker"
120 - 58 ENGAGE
4D Get involved
120 - 59 WHINE
51D Be a kvetch
118 - 60 ITGUY
36D He can help you after a crash
113 - 61 IMIGHT
25A Wishy-washy R.S.V.P.
19 - 62 WIDEST
20A Like "h" among "h," "i" and "j"
16 - 63 ZENGARDEN
18A Fencer's cry
15 - 64 SORTDATA
37D Spreadsheet command
14 - 65 TPAIN
46A Rapper featured on Flo Rida's "Low"
14 - 66 JOTS
40A Takes (down)
017 - 67 YEOMEN
45D Buckingham Palace figures
013 - 68 EVIDENCE
38D Prints, perhaps
010 - 69 STASSEN
42D Harold who sought the Republican presidential nomination nine times over 48 years
010 - 70 PRENUPS
12D Union agreements?
05 - 71 VING
41A Actor Rhames
04 - 72 ENDLESSLY
60A On and on ... or how to read 18-, 27-, 37- and 51-Across to understand this puzzle's theme?
03 - 73 DIETPILL
7D Slimming aid
02 - 74 DONKING
3D Rumble in the Jungle promoter
02 - 75 JEANLUC
40D First name on "Star Trek: The Next Generation"
02 - 76 MEDICINE
11D Something that nearly one million Americans practice regularly
02 - 77 PROSECUTE
27A Style of diamond with a flat base
02 - 78 01
- 79 01