1139 GMT December 09, 2022
Doncic's 43 points helped the Mavericks win 135-133 to level the series, BBC Sport reported.
The Slovenian joins Charles Barkley and Oscar Robertson as the only players to score at least 40 points, 15 rebounds and 10 assists in a playoff game.
"I can't explain the emotions I had when I saw the ball go in," he said.
"When I saw the whole team coming towards me that was one of the best feelings I have ever had as a player."
A triple-double is achieved when a player records a double-digit total in three of the following categories: Points, total rebounds, assists, steals and blocks.
In addition to his 43 points, 21-year-old Doncic made 17 rebounds and 13 assists despite playing with a sprained ankle.
With the series tied at 2-2, game five is today.
Elsewhere, Donovan Mitchell and Jamal Murray both scored 50-plus points as Mitchell's Utah Jazz beat Murray's Denver Nuggets 129-127 to take a 3-1 series lead.
It is the first time in NBA Playoffs history that opponents have both scored 50-plus in one game, with Mitchell scoring 51 – including four three-pointers – while Murray made 50.
Mitchell also joins Michael Jordan and Allen Iverson as only players to score 50-plus twice in the same playoff series.
Defending champions Toronto Raptors and the Boston Celtics both completed 4-0 sweeps over the Brooklyn Nets and the Philadelphia 76ers respectively and will meet each other in the next round.