I keep track of what I watch in a spreadsheet because I'm a massive nerd, so I know there are currently 103 (including webseries).
1. Ahsoka
2. Altered Carbon
3. Andor
4. Angel Beats!
5. Arcane: League Of Legends
6. Avatar: The Last Airbender
7. Band Of Brothers
8. Better Call Saul
9. Black Mirror
10. Blue Planet II
11. Breaking Bad
12. Buffy The Vampire Slayer
13. Chernobyl
14. Clannad
15. Clannad: After Story
16. Cosmos
17. Dinotopia
18. Dragon Ball
19. Dragon Ball Super
20. Dragon Ball Z
21. Elfen Lied
22. Extraordinary Attorney Woo
23. Fairy Tail
24. Fairy Tail: 100 Years Quest
25. Fallout
26. Freaks And Geeks
27. Fruits Basket (2001)
28. Fruits Basket (2019)
29. Game Of Thrones
30. Ghost Stories
31. Halo
32. Hawkeye
33. House Of The Dragon
34. John Adams
35. Kim Possible
36. Loki
37. LOST
38. Monty Python's Flying Circus
39. Ms. Marvel
40. My Little Pony: Equestria Girls - Better Together
41. My Little Pony: Equestria Girls - Choose Your Own Adventure
42. My Little Pony: Equestria Girls - Summertime Shorts
43. My Little Pony: Friendship Is Magic
44. My Little Pony: Make Your Mark
45. My Little Pony: Pony Life
46. My Little Pony: Tell Your Tale
47. Naruto
48. Naruto: Shippûden
49. Obi-Wan Kenobi
50. Prince Caspian And The Voyage Of The Dawn Treader
51. Red Vs. Blue
52. Rome
53. RWBY
54. RWBY Beyond
55. RWBY: Fairy Tales
56. RWBY: Ice Queendom
57. Scooby-Doo! Mystery Incorporated
58. Secret Invasion
59. Sherlock
60. Shōgun
61. Squid Game
62. Star Trek: Deep Space Nine
63. Star Trek: Enterprise
64. Star Trek: The Next Generation
65. Star Trek: Voyager
66. Star Wars Rebels
67. Star Wars: Tales Of The Empire
68. Star Wars: Tales Of The Jedi
69. Star Wars: The Bad Batch
70. Star Wars: The Clone Wars
71. Stargate Atlantis
72. Stargate SG-1
73. Steven Universe
74. Stranger Things
75. Teen Titans
76. The 100
77. The Andy Griffith Show
78. The Angry Video Game Nerd
79. The Book Of Boba Fett
80. The Falcon And The Winter Soldier
81. The Haunting Of Hill House
82. The Legend Of Korra
83. The Lion, The Witch & The Wardrobe
84. The Mandalorian
85. The Melancholy Of Haruhi Suzumiya
86. The Pacific
87. The Queen's Gambit
88. The Silver Chair
89. The Twilight Zone
90. The Walking Dead
91. The West Wing
92. The Wire
93. The Witcher
94. The X-Files
95. True Detective
96. Violet Evergarden
97. Walking With Dinosaurs
98. Walking With Monsters
99. Walking With Prehistoric Beasts
100. WandaVision
101. Your Lie In April
102. Yu-Gi-Oh! The Abridged Series
103. Yurikuma Arashi