LOS ANGELES (thefutoncritic.com) -- NBC has locked in its Sunday lineup following its Winter Olympics coverage.

"Little Big Shots" will kick off its third season with a special two-hour premiere on Sunday, March 18 at 7:00/6:00c followed by the launch of "Genius Junior" at 9:00/8:00c.

"Shots" will then assume its regular 8:00/7:00c time period on Sunday, March 25. The Peacock has yet to reveal the 10:00/9:00c occupant.

As previously announced, various specials ("The 75th Annual Golden Globe Awards" on January 7, "Super Bowl LII" on February 4), theatrical films ("Ride Along" on January 14, "Neighbors" on January 28 and "Furious 7" on March 4) and said Winter Olympics coverage (February 11-25) will fill Sunday nights until the aforementioned rollout.

Here's the official descriptions of both series:

"LITTLE BIG SHOTS"

NBC's hit series "Little Big Shots" returns for season three on Sunday, March 18 (7-9 p.m., its normal 8-9 p.m. timeslot begins March 25) with more talented and unique kids from all over the U.S. and the world. Steve Harvey hosts the feel-good, family-friendly series, executive produced by Harvey and Ellen DeGeneres, and goes toe to with them in hilarious conversations and interviews.

Viewers will be treated to never-before-seen acts, including everything from a soap bubble artist, pint-sized aerialists, a golf prodigy and the world's strongest kid, as well as remarkable young experts in astronomy, mathematics and archaeology. Adding to the fun will be kids who are incredibly gifted in music - ranging from pop to opera and country to classical, and on instruments that include the ukulele, drums, piano and more.

"Little Big Shots" will also showcase kids who took the Internet by storm with viral videos, guaranteeing lots of comedy and surprises in this engaging series that celebrates phenomenal children from all over the globe. In addition to kids from the United States, season three will also feature talented tykes from Ethiopia, India, Russia, Ukraine, Spain, Germany, England, Ireland, Scotland, Canada, and the Philippines.

Last season "Little Big Shots" delivered a 1.8 rating in adults 18-49 and 10.3 million viewers overall, according to "live plus seven day" ratings from Nielsen Media Research, building on the timeslot's lead-in by +157% in 18-49 and +5.8 million viewers or +129% in total viewers. "Little Big Shots" won its Sunday 8-9 p.m. time period among the Big 4 networks in adults 18-49 and ranked #1 or tied for #1 in adults 18-34, adults 25-54, men 18-34, women 18-49 and women 25-54.

"Little Big Shots" is executive produced by Ellen DeGeneres, Steve Harvey, Alison Holloway, Jeff Kleeman, Gerald Washington, Ed Glavin, Mary Connelly and Andy Lassner. The series is produced by Warner Horizon Unscripted & Alternative Television in association with East 112th Street Productions and A Very Good Production.

"GENIUS JUNIOR"

No stranger to young geniuses, Neil Patrick Harris hosts an exciting new game show that celebrates the smartest kids in America. These talented "genius juniors" will team up in threes to take on mind-blowing tests of logic, math, memory, spelling and more. Through escalating rounds leading to semifinals and a big finale, they will be tested in each area of the brain, culminating in an ultimate challenge to be crowned the smartest and brightest. The winning team will take home a life-changing prize - setting the stage for a big, bright future ahead.

Neil Patrick Harris, Pam Healey, John Hesling, Phil Parsons and Ed Egan executive produce. "Genius Junior" is produced by Shed Media in association with Prediction Productions.