Thursday night will mark the fourth session of the Republicans as they gather in Cleveland to officially tap Donald Trump as the party's presidential nominee. The previous days have been filled with spectacle and controversy, and tonight marks the biggest nights as Trump is expected to make his first substantive speech of the week.

You can watch it all unfold right here on HNGN starting at 7:30 EST on Thursday.

Each night has been headlined with a theme:

Monday's theme is "Maker America Safe Again."
Tuesday's is "Make America Work Again;"
Wednesday's is "Make America First Again;"
Thursday's is "Make America One Again."

Broadcasts are also available on these television stations:

These television channels:
ABC
George Stephanopoulos is leading ABC News coverage.

C-SPAN
C-SPAN is providing coverage starting with the 1 p.m. EST (12 p.m. CST) business session on July 18.

CBS News

CNN
CNN will offer 24 hours of live programming with a special weekday hour of "Inside Politics with John King" airing daily at noon.

Fox Channels
Fox's Shepard Smith will anchor live convention coverage on the broadcast network from July 18-21 beginning at 10 p.m. EST (9 p.m. CST) each night.

MSNBC
Brian Williams and Rachel Maddow will handle primetime live coverage at 7 p.m. EST.

PBS
PBS will air the Republican National Convention on PBS and NPR stations and digital sites.

NBC
NBC's primetime coverage will begin at 10 p.m. EST with host Lester Holt.

And others
Comedy Central
"The Daily Show with Trevor Noah" will be broadcasting from Cleveland.

HBO
"Real Time with Bill Maher" will air live-half-hour editions on July 20-21 at 11 p.m. EST.