During the 1932–33 English football season, Brentford competed in the Football League Third Division South and won the division title to secure promotion to the second tier of English football for the first time in the club's history. Jack Holliday set a new club goalscoring record of 39 goals in a season, which as of 2016 has yet to be broken. It is statistically Brentford's second-best season, after 1929–30.

Brentford manager Harry Curtis made a number of signings in the 1932 off-season, but none would prove more crucial to the club's future success than the acquisition of forwards Jack Holliday, Billy Scott and half back Herbert Watson from First Division Middlesbrough for a combined £1,500 fee in May 1932, with the majority of the money having been raised by the sale of record goalscorer Billy Lane to Watford earlier that month.

Brentford had a dream start to the Third Division South season, going undefeated and winning 12 of the opening 14 matches, setting a new club record of 16 consecutive undefeated Football League matches, a run which began with wins in the final two matches of the 1931–32 season. The record stood until it was overtaken during 2013–14. The Bees hit top spot after the second match of the season and after briefly dropping back to 2nd on goal difference, they quickly rose back to the summit and would remain there until a 5–5 draw with Luton Town (which set a new club record for highest aggregate score in an away Football League match) on 1 February 1933 dropped the club back to 2nd. Manager Curtis signed a new three-year contract in January 1933 and forward Jack Holliday was in prolific scoring form, hitting 26 goals in his first 20 appearances of the season, including four hat-tricks, one of which comprised five goals in the draw with Luton Town, making him the first player to score five goals for Brentford in a Football League match.

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