The Detroit Lions scored 34 points in the 4th quarter in a 37-27 win over the Chicago Bears
The Washington Redskins with 35 points in the 2nd quarter of Super Bowl XXII against the Denver Broncos.
George Gervin of the San Antonio Spurs scored 33 points against the New Orleans Jazz on April 9, 1978 in the second quarter. Carmelo Anthony shares that record when he also scored 33 points in a single quarter (third quarter) against the Minnesota Timberwolves on December 10, 2008.
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)
Akron, Ohio St-Vincent- st.mary
Harry Ratnam of Fresno scored 29 points in the 3rs quarter of a basketball game!