I know the exactamundo answer, but I don't want to jump the shark and have someone call me bucko in case anyone else wants to make a guess first.

These were good but I am struggling with the bolded one.

"A character with a small part becomes a breakout star, forcing the actor who plays him to act, dress and talk like a pre-teen dork for a decade"

That would be Family Matters, referring to Steve Urkel, who poor Jaleel White had to portray as still basically being 12 years old.........until White had turned 21!

Local boy gets mentored by high school teacher

Come on down!

Rich, privileged white people adopt two adorable African American kids, one of whom is small for his age

Rich, privileged white people adopt one adorable African American kid who is small for his age

I'd like to buy a vowel

Hey, it's the Korean War, but through a comedic lens!

Big Money......no wammies......stop!

Hilarious but criminally underappreciated series about a bumbling policeman which lasted only about a handful of episodes somehow launches a hugely successful movie franchise nearly a decade later

six kids share one bathroom

Shut it down!

Two former hippies raise a family, with one of their kids being an unabashed right wing capitalist.....hilarity ensues

And the secret ingredient is........

A widow with three daughters marries a widower with three sons; somehow none of them - including the husband and wife - ever bone

A three hour tour.....A three hour tour......

The genesis of the Tommy Westfall universe

Whatchoo talkin' about?

at least the butcher and the maid boned

Respect. Tommy thought up a lot of great TV shows out of nowhere or shall we say elsewhere.

Two redneck brothers frustrate local law enforcement while opting to ride in a vehicle with no functioning doors

Old ladies are funny.....no, not like that.......in a ha-ha kind of way

A show on cable about the sex lives of four single NYC women, and the one with the best rack never takes her top off

Vampires live openly among us and two of them both yearn for a young lady who's......kinda annoying

A teenage prodigy yearning to be taken seriously as a doctor chooses to go by the geekiest first name of all time

.

Buffy isn't correct. I figured that might be an answer so I changed it to vampires living out in the open, to make it clear I meant.....True Blood

Soooooookieeeeee.........

i thought it was vampire diaries

Could also apply to Interview with a Vampire

These vampire dramas are so diverse!

Sitcom about a family that included a daughter who was the butt of recurring fat jokes and oops she develops an eating disorder IRL

People bring old stuff from home and feign surprise when, after being one of fewer than maybe ten people out of hundreds if not thousands selected have that stuff actually appraised on camera, they're told........shocker.........it's really valuable!

Sitcom where the patriarch's unabashed bigotry was mined for humor, spawning a fan base who four decades later likely helped elect our 45th president

Sitcom where the patriarch's unabashed misogyny was mined for humor, spawning a fan base who two decades later likely helped elect our 45th president

Show featuring a British comedy troupe with a cult following, but where.....let's face it......far more people who said they were huge fans only watched the half dozen or so most famous sketches

~20 years ago huge hit tv show was a favorite of the right wing, advocating torture, promoting racist propaganda.. condemned by democrats. dems have moved so far right, they are now to the right of the show

Only one I'm not sure of is the fourth one, where I'm guessing:

I had the same guess for that one.

Young actor and his childhood friends doing the rockstar lifestyle in LA.

The Simpsons

You got them all Punker - well done! Coming up with these has been way more enjoyable than I thought it would be; but I think I'm pretty well tapped out, although I'll probably try again when I get a chunk of time.

civil war, north vs south, but in space, and the slave owners are the good guys?????? except they don't own slaves in the show

Here's some for you then where I'm trying to make it difficult:

Landlord struggles to keep weird young and dishonest tenants in line.

Midwestern media company has occassional success in spite of their incompetent employees.

Mercenaries fix minor problems with excessive force and destruction for free.

Tesla prototype saves the day.