One Night Only is a series of professional wrestling events held by Impact Wrestling in 2019 and streaming on their Global Wrestling Network service. It was also the final year of the One Night Only series as it would be retired and succeeded by the Impact Plus Monthly Specials, seen on GWN's own successor, Impact Plus.
| New Beginnings[1] | |
| Promotion: | Impact Wrestling Pennsylvania Premiere Wrestling |
| Date: | January 26, 2019 |
| Date Aired: | February 9, 2019 |
| City: | Hazleton, Pennsylvania |
| Venue: | Holy Family Academy |
| Event: | One Night Only |
| Lastevent2: | Back to Cali |
| Nextevent2: | Clash in the Bluegrass |
One Night Only: New Beginnings was a professional wrestling event produced by Impact Wrestling in conjunction with Pennsylvania Premiere Wrestling to be released exclusively on Global Wrestling Network.
| Clash in the Bluegrass[2] | |
| Promotion: | Impact Wrestling Ohio Valley Wrestling |
| Date: | March 2, 2019 |
| Date Aired: | March 9, 2019 |
| City: | Louisville, Kentucky |
| Venue: | Davis Arena |
| Event: | One Night Only |
| Lastevent2: | New Beginnings |
| Nextevent2: | Last |
One Night Only: Clash in the Bluegrass was a professional wrestling event produced by Impact Wrestling in conjunction with Ohio Valley Wrestling to be released exclusively on Global Wrestling Network.