If we are counting all TV ever, including streaming and animation, from all times, off the top of my head:
A+: Looney Tunes, Krazy Kat, Felix the Cat, Twilight Zone, Rocky & Bullwinkle, Monty Python, Bojack, WW S1
A: Pink Panther, Get Smart, Outer Limits, Avengers (British one), The Prisoner, Blackadder, MST3K, Galactica remake, South Park, Chapelle Show, Mythic Quest S1, Mr. Robot, Severence S1, Killing Eve S1-2, Legion S1, The Good Place, Community, Atlanta
A-: Popeye, Honeymooners, Roadrunner, Underdog, Star Trek TOS, Fawlty Towers, Bob Newhart Show, Odd Couple, MASH S1-4, Muppet Show, MTM, the 70s Ed Sabol NFL highlight shows, Moonlighting S2-3, IT Crowd (British version) S1, Coupling (British version) S1, Pinky & the Brain, The Simpsons, Buffy S2-3, Firefly, Jeopardy, House S1-3, Mad Men S1-3, True Detective S1, Stranger Things S1, Queens Gambit S1, Perry Mason remake S1, The Boys, Rick & Morty S1-3, Squid Game first half of S1, The Bear S1-2, Loki first half of S1, Wanda Vision first half of S1, Black Mirror
B+: Speed Racer, Kung Fu S1, Kolchak, All in the Family, MNF in the 70s, SNL here and there, Soap S1, Fall and Rise of Reginald Perrin, Animaniacs, Northern Exposure S1, Ren & Stimpy, My Name is Earl first half of S1, Heroes S1 except finale, Cosmos remake, Robot Chicken, Barry S1-2, Flight of the Conchords, Powerpuff Girls, Colbert Report, 30 Rock sporadically, Crazy Ex-GF S1, Glee S1, Veep sporadically, Cash Cab, Ted Lasso S1, Clone High, Key & Peele, Always Sunny S1-2, House of Cards S1, Stephen Colbert Show, Succession, Big Mouth, Poker Face S1, Only Murders, Shoresy