Across
1.__ Balls of Fire (5)
6....and __ the fire (4)
10.Distribute the deck (4)
14.River in Chile. (5)
15.Butt out, briefly (4)
16.___ machine (4)
17.LOL and then some (5)
18.One of the first programming languages I ever learned, in which "$_" is a thing (4)
19.___ Penh, Cambodian city (var.) (4)
20.Doogie Howser roles, briefly (3)
21.Quip, part 2 (11)
24.Prefix with "pilot" or "mobile" (4)
25.Bull's-eye (6)
26.Homer's closest relative? (11)
31.Ship: Latin. (5)
32.Do you ___ car? (4)
33.Wakashan Indian. (3)
36.Longtime CBS procedural (4)
37.Droop again. (5)
39.STEM student's homework assignment, for short (4)
40.Medicare, in Britain. (3)
41.Cranial nerves (4)
42.Soap residue (5)
43.If so, I remarked wearily as we entered Porto Novo, "it's the only place ___" (11)
46.Buy two and _____ free (6)
50.Decree (4)
51.Hopeful Presley song: 1968 (11)
54.Suffix with expert (3)
57.Heart of Darkness setting (4)
58.Checked out (4)
59.Peerage members: Abbr. (5)
61.___ Abby (4)
62.Scopes Trial gp. (4)
63.Business that deals with hockers (5)
64.Salt tree (4)
65.Squint, in England (4)
66.Photographs (5)
Down
1.Encircle (4)
2.Flock leader (4)
3.Chow (4)
4.Explosives regulating org. (3)
5.4th and 5th cen. collections of Jewish laws. (7)
6.Some Second City skits (6)
7.Big Apple local, casually (4)
8.Aaron's kid (4)
9.Flattening. (8)
10.Cheating athlete (5)
11.United, in Bonn (5)
12.Allice-shad. (5)
13.Steenburgen's Melvin and Howard love interest (5)
22.From __ Z (3)
23.Ancient Sudanese kingdom. (4)
24.Monkshood. (4)
26.What the five longest answers have in common (4)
27.__ Dawn I Die (Cagney flick) (4)
28.Caesar's 17 (4)
29.Histological dye (5)
30.Niger-Congo language (3)
33.Appoint: Abbr. (4)
34.Yesterday: Lat. (4)
35.Like some hits (4)
37.Plunderers. (8)
38.Jule ___, British actor (3)
39.Dutch garden designer Oudolf (4)
41.Indian stringed instrument (4)
42.Curry and Antetokounmpo, recently (7)
44.East ___. (6)
45.Actress Carrere (3)
46.TV chef De Laurentiis (5)
47.En ___ (really): Fr. (5)
48.44 cents in Siam. (5)
49.And I sae weary fu' ___!: Burns (5)
52.Painter Sir Anthony Van__ (4)
53.Electrical relay: Sp. (4)
54.Mohammed's Night Journey (4)
55.Old English bard (4)
56.Igloo dwellers: Abbr. (4)
60.___ Saud (3)