As with most lists, your mileage may vary on the results. While there are about a dozen of which I'm not familiar, can't really quibble too much. There are a few that I noticed that weren't included: Perry Mason, The Facts of Life, and Californication are just examples.
At the link, there is a quick synopsis and the video/audio of each of the 101 (you'll discover why 101 rather than just 100):
100 - ‘WandaVision’, Disney+, 2021
99 - ‘Terriers’, FX, 2010
98 - ‘Three’s Company’, ABC, 1977-84
97 - ‘Rescue Me’, FX, 2004-11
96 - ‘CHiPs’, NBC, 1977-83
95 - ‘The Partridge Family’, ABC, 1970-74
94 - ‘New Girl’, Fox, 2011-18
93 - ‘I Dream of Jeannie’, NBC, 1965-70
92 - ‘All That’, Nickelodeon, 1994-2005, 2019-20
91 - ‘Have Gun, Will Travel’, CBS, 1957-63
90 - ‘The Walking Dead’, AMC, 2010-22
89 - ‘The Olympics’, ABC/CBS/NBC, 1956-Present
88 - ‘Stranger Things’, Netflix, 2016-Present
87 - ‘The Big Bang Theory’, CBS, 2007-19
86 - ‘The Flintstones’, ABC, 1960-66
85 - ‘Dallas’, CBS, 1978-91
84 - ‘The Leftovers,’ Season Two, HBO, 2015
83 - ‘Pachinko’, Apple TV+, 2022-Present
82 – ‘Where in the World Is Carmen Sandiego?’, PBS, 1991-95
81 - ‘The Dick Van Dyke Show’, CBS, 1961-66
80 - ‘Green Acres’, CBS, 1965-71
79 - ‘Mad Men’, AMC, 2007-15
78 - ‘WKRP in Cincinnati’, CBS, 1978-82
77 - ‘Scooby-Doo, Where Are You!’, CBS, 1969-70
76 - ‘Tonight Show Starring Johnny Carson’, NBC, 1962-92
75 - ‘Buffy the Vampire Slayer’, WB, 1997-2001; UPN, 2001-2003
74 - ‘Moonlighting’, ABC, 1985-89
73 - ‘Boondocks’, Adult Swim, Teletoon, 2004-15
72 - ‘Malcolm in the Middle’, Fox, 2000-06
71 - ‘Parks and Recreation’, NBC, 2009-15
70 - ‘Phineas & Ferb’, Disney Channel, 2008-15
69 - ‘Full House’, ABC, 1987-95
68 - ‘S.W.A.T.’, ABC, 1975-76
67 - ‘Dawson’s Creek’, WB, 1998-2003
66 - ‘Happy Days’, ABC, 1974-84
65 - ‘Peacemaker’, HBO Max, 2022-Present
64 - ‘The Wonder Years’, ABC, 1988-93
63 - ‘Taxi’, ABC, 1978-82; NBC, 1982-83
62 - ‘Friday Night Lights’, NBC, 2006-11
61 - ‘The Drew Carey Show’, ABC, 1995-2004
60 - ‘The Odd Couple’, ABC, 1970-75
59 - ‘The Andy Griffith Show’, CBS, 1960-68
58 - ‘Frasier’, NBC, 1993-2004
57 - ‘Welcome Back, Kotter’, ABC, 1975-79
56 - ‘Seinfeld’, NBC, 1989-98
55 - ‘M*A*S*H’, CBS, 1972-83
54 - ‘Lost’, ABC, 2004-10
53 – ‘Diff’rent Strokes’, NBC, 1978-85; ABC, 1985-86
52 - ‘In Living Color’, Fox, 1990-94
51 - ‘Match Game’, CBS/Syndicated, 1973-82
50 - ‘Sesame Street’, PBS, 1969-Present; HBO, 2016-20; HBO Max, 2020-Present
49 - ‘How to Make It in America’, HBO, 2010-11
48 - ‘The Love Boat’, ABC, 1977-86
47 - “Orange Is the New Black”, Netflix, 2013-19
46 - ‘Bonanza’, NBC, 1959-73
45 - “Gilmore Girls”, (WB, 2000-2006; CW, 2006-2007)
44 - ‘Living Single’, Fox, 1993-98
43 - ‘Law & Order’, NBC, 1990-2010; 2022-Present
42 - ‘SpongeBob SquarePants’, Nickelodeon, 1999-Present
41 - ‘Sex and the City’, HBO, 1998-2004
40 - ‘The Monkees’, NBC, 1966-68
39 - ‘The X-Files’, Fox, 1993-2002, 2016-18
38 - ‘The Golden Girls’, NBC, 1985-92
37 - ‘Dragnet’, NBC, 1951-59, 1967-70
36 - ‘Laverne & Shirley’, ABC, 1976-83
35 - ‘Twin Peaks’, ABC, 1990-91; Showtime, 2017
34 - ‘The Dukes of Hazzard’, CBS, 1979-85
33 - ‘The Addams Family’, ABC, 1964-66
32 - ‘Miami Vice’, NBC, 1984-89
31 - ‘The Mary Tyler Moore Show’, CBS, 1970-77
30 - ‘One Day at a Time’, CBS, 1975-84; Netflix, 2017-19; Pop, 2020
29 - ‘The Greatest American Hero’, ABC, 1981-83
28 - ‘Good Times’, CBS, 1974-79
27 - ‘Hill Street Blues’, NBC, 1981-87
26 – ‘Unbreakable Kimmy Schmidt’, (Netflix, 2015-2019)
25 – ‘Succession’, HBO, 2018-Present
24 - ‘Star Trek’, NBC, 1966-69
23 - ‘It’s Garry Shandling’s Show’, Showtime, 1986-90
22 - ‘Peter Gunn’, NBC, 1958-60; ABC, 1960-61
21- ‘Curb Your Enthusiasm’, HBO, 2000-Present
20 - ‘All in the Family’, CBS, 1971-79
19 - ‘The Sopranos’, HBO, 1999-2007
18 - ‘The Simpsons’, Fox, 1989-Present
17 - ‘The Muppet Show’, ITV (U.K.)/CBS (U.S. Syndication), 1976-81
16 - ‘The Rockford Files’, NBC 1974-80
15 - ‘Mission: Impossible’, CBS, 1966-73
14 - ‘The Wire’, HBO, 2002-08
13 - ‘Cheers’, NBC, 1982-93
12 - ‘Hawaii Five-O’, CBS, 1968-80
11 - ‘Game of Thrones’, HBO, 2011-19
10 - ‘Too Many Cooks’, Adult Swim, 2014
9 – ‘The O.C.’, Fox, 2003-07
8 - ‘Friends’, NBC, 1994-2004
7 - ‘The Fresh Prince of Bel-Air’, NBC, 1990-96
6 - ‘The Twilight Zone’, (CBS, 1959-'64)
5 - ‘Mister Rogers‘ Neighborhood’, PBS, 1968-2001
4 – ‘Crazy Ex-Girlfriend’, CW, 2015-19
3 - ‘Sanford and Son’, NBC, 1972-77
2 - TIE: ‘The Brady Bunch’ and ‘Gilligan’s Island’, ABC, 1969-74; CBS, 1964-67
1 - ‘The Jeffersons’, CBS, 1975-85
https://www.rollingstone.com/music/music-lists/best-tv-theme-songs-of-all-time-1234630913/