Eric Floyd of the Golden State Warriors scored 29 points in the fourth quarter against the Los Angeles Lakers in the 1987 NBA playoffs on May 10.
The Detroit Lions scored 34 points in the 4th quarter in a 37-27 win over the Chicago Bears
George Gervin and Carmelo Anthony both had 33 points in a quarter before.
That would be George Gervin of the San Antonio Spurs, who scored 33 points in the second quarter against New Orleans on April 9, 1978.
33 by George Gervin of San Antonio
Harry Ratnam of Fresno scored 29 points in the 3rs quarter of a basketball game!
Most points scored in one quarter in college football is Nebraska Cornhuskers vs. Iowa Hawkeyes, the Huskers scored 48 points in the 3rd quarter. (year not known-maybe mid 80s)
I scored fourteen points in the first quarter!