Barnsley squandered a two-goal lead before dramatically equalising late on in an end-to-end 3-3 League One draw with AFC Wimbledon, who saw Omar Bugiel score a brace.
League One side Mansfield Town come from behind to beat Premier League strugglers Burnley and reach the fifth round of the FA Cup for the first time since 1975.
Bradford reinvigorated their League One play-off push with a one-sided 2-0 win over Peterborough at the University of Bradford Stadium.
Dundee United come from behind to win a five-goal thriller against 10-man Falkirk and breathe fresh life into their hopes of catching the Bairns for a top-six spot in the Scottish Premiership.