After a half, Manchester City was 0-2 down at home against Crystal Palace.
The English champions responded well to the pressure.
It took eight minutes before Bernardo Silva reduced - and then Erling Braut Haaland showed his class.
The star striker accounted for three goals in a row, a hat-trick, and sealed the victory for City who won 4–2.
Haaland has now scored six goals in his first four games in the Premier League.
City have three wins and a draw and are at the top of the league.