It's the appetizer before the main course as the NCAA men's and women's basketball tournaments get underway with the First Four games, beginning Tuesday.

The 68-team fields will be set on Selection Sunday and eight men's and women's schools have a little housekeeping to do before they get to the more traditional bracket setup.

The madness will begin this year's quest to reach the Final Four – for the men, it's in Phoenix; for the women, it's in Cleveland.

To read more about how Selection Sunday unfolds and where teams land in the brackets, follow along here.

SELECTION SUNDAY LIVE: Read more about how Selection Sunday unfolds and where teams land in the brackets

When is men's First Four?

The men's First Four will take place with two games on Tuesday, March 19 and two games on Wednesday, March 20 in Dayton, Ohio.

How to watch men's First Four

The men's First Four games are scheduled to tip off at 6:30 p.m. 9 p.m. ET on Tuesday and Wednesday.

They will be broadcast live on TruTV, with Spero Dedes handling the play-by-play, Jim Spanarkel handling the analysis and Jon Rothstein reporting.

Which teams are in the men's First Four?

• Tuesday, March 19: Wagner 71, Howard 68. No. 16 Wagner will face No. 1 North Carolina on Thursday, March 21.

• Tuesday, March 19: Colorado State 67, Virginia 42. No. 10 Colorado State will face No. 7 Texas on Thursday, March 21.

• Wednesday, March 20: Grambling State 88, Montana State 81, OT. No. 16 Grambling State will face No. 1 Purdue on Friday, March 22.

• Wednesday, March 20: Colorado 60, Boise State 53. No. 10 Colorado will face No. 7 Florida on Friday, March 22.

When is women's First Four?

The women's First Four will take place with two games on Wednesday, March 20 and Thursday, March 21. The sites of the women's First Four games will be: Blacksburg, Virginia; Columbia, South Carolina; Storrs, Connecticut; and Peoria, Illinois.

How to watch the women's First Four

The women's First Four games will be broadcast on ESPNU and ESPN2.

Which teams are in the women's First Four?

• Wednesday, March 20: Presbyterian 49, Sacred Heart 42. No. 16 Presbyterian will face No. 1 South Carolina on Friday, March 22.

• Wednesday, March 20: Vanderbilt 72, Columbia 68. No. 12 Vanderbilt will face No. 5 Baylor on Friday, March 22.

• Thursday, March 21: Arizona 69, Auburn 59. No. 11 Arizona will face No. 6 Syracuse on Saturday, March 23.

• Thursday, March 21: Holy Cross 72, UT Martin 45. No. 16 Holy Cross will face No. 1 Iowa on Saturday, March 23.

This article originally appeared on USA TODAY: March Madness First Four: When, where, how to watch NCAA Tournament