TV advertisers may be in love with adults 18-49, but within that demo is a more narrow group of tastemakers broadcasters covet: millennials. Yes, when the 22-37 range isn't streaming something, they are (occasionally) watching shows on CBS, NBC, Fox and ABC. Here TheWrap rounds up 2018's 15 highest-rated shows among that group, according to the "most current" data set from Nielsen through Dec. 9. This ranking excludes news, sports, repeats, specials and awards/pageants. It includes one week of delayed viewing where available Also Read: 17 Lowest-Rated TV Shows of Summer 2018 (Photos)

Rank: 13 (tie)  Show: "New Amsterdam"  Net: NBC  Rating 22-37: 1.9   It's no "Manifest," but NBC's freshman medical drama still comes in high with those born between 1981 and 1996. Also Read: ‘NBC Nightly News’ Suffers Lowest-Rated Year Ever

Rank: 13 (tie)  Show: "Ellen's Game of Games"  Net: NBC  Rating 22-37: 1.9   Who doesn't love Ellen? 'Cause millennials def do. Also Read: ‘America’s Got Talent’ to ‘Celebrity Family Feud': 15 Highest-Rated TV Shows of Summer 2018 (Photos)

Rank: 13 (tie)  Show: "The Bachelorette"  Net: ABC  Rating 22-37: 1.9   The female-led version of ABC's reality dating series is popular with the younger crew -- but not as popular as the one with a dude at the center of this love story. Also Read: 12 Lowest-Rated TV Shows of 2017-18 Season (Photos)

Rank: 9 (tie)Show: "Young Sheldon"  Net: CBSRating 22-37: 2.1   Since "The Big Bang Theory" comes in high on this list, it's really no surprise the CBS comedy's spinoff lands a decent slot too. Also Read: 11 Highest-Rated TV Shows of 2017-18 Season (Photos)

Rank: 9 (tie)  Show: "Modern Family"  Net: ABC  Rating 22-37: 2.1   Ten seasons in and the Dunphys are still hip -- at least in the eyes of millennial viewers. Also Read: Here’s Every TV Show We Lost in 2018, From ‘I Love Dick’ to ‘Timeless’ (Photos)

Rank: 9 (tie)  Show: "Empire"  Net: Fox  Rating 22-37: 2.1   Oh, five seasons into "Empire," so is the Lyon family. Also Read: 35 Top Cable News Shows of 2018: From ‘Hannity’ to ‘The Situation Room’

Rank: 9 (tie)Show: "America's Got Talent" (Tuesdays)  Net: NBC  Rating 22-37: 2.1   And NBC's got millennial love. Also Read: 22 Most Shocking TV Character Deaths of 2018, From ‘The Affair’ to ‘Westworld’ (Photos)

Rank: 6 (tie)  Show: "Manifest"Net: NBCRating 22-37: 2.2   And even more love for its new "Lost"-like series. Also Read: 109 Cable Channels Ranked by 2018 Viewership, From Fox News to Comedy.TV

Rank: 6 (tie)  Show: "The Good Doctor"  Net: ABC  Rating 22-37: 2.2   Freddie Highmore, are we right? Also Read: 16 Favorite New LGBTQ TV Characters in 2018, From ‘Riverdale’ to the Cast of ‘Pose’ (Photos)

Rank: 6 (tie)  Show: "The Bachelor"  Net: ABC  Rating 22-37: 2.2   See, the millennial residents of Bachelor nation are more into the man show -- or maybe the ladies trying to woo him? Also Read: 18 Most-Watched TV Specials of 2018: Oscars, Emmys and Everyone Loves a Parade (Photos)

Rank: 5  Show: "9-1-1"  Net: Fox  Rating 22-37: 2.3 Ryan Murphy. Enough said. Also Read: Broadcast TV’s Most-Watched Debuts Since 2013, From ‘Blindspot’ to ‘Instinct’ (Photos)

Rank: 4  Show: "Grey's Anatomy"  Net: ABC  Rating 22-37: 2.8   Shonda Rhimes. Even more enough said. Also Read: NBC Wins Calendar Year in Viewers for First Time in 16 Years

Rank: 3  Show: "The Big Bang Theory"  Net: CBS  Rating 22-37: 2.9   Kaley Cuoco + nerds + many, many comic book references = millennial ratings gold.  Also Read: ‘Thursday Night Football’ Sees Small Uptick in Viewers in First Fox Season

Rank: 2  Show: "This Is Us"  Net: NBC  Rating 22-37: 4.1   The U.S.’s No. 1 scripted drama is also the No. 2 broadcast TV series among millennials. A hit is a hit is a hit. Also Read: What Is ‘On My Block’? Netflix’s Most-Binged Show of 2018

Rank: 1  Show: "Roseanne"  Net: ABC  Rating 22-37: 4.5   No comment. Also Read: ‘Saturday Night Live,’ ‘Roseanne’ Are 2018’s Most-Tweeted-About TV Shows

Fun fact: Where this list cuts off, Thursday and Wednesday broadcasts of CBS' "Big Brother" tie for 16th place among millennials, with the Sunday night show landing the next highest-rated slot. Also Read: Reddit’s Most Popular TV Shows in 2018 (With No New ‘Game of Thrones’)