Ezri Konsa scored a 95th minute winner as Villa came from behind.
Nigel Pearson thought his Watford side created enough chances to win the game in a 0-0 draw against Tottenham.
Jose Mourinho's side have now gone three league games without finding the net.
Paulo Gazzaniga saved a Troy Deeney penalty to give Tottenham a share of the spoils in a 0-0 draw against Watford.
The Mailbox features Spurs fans resigned to the inevitable. Also: Saints, Klopp, Pearson, and Barca...
Nigel Pearson insists Watford's win at fellow strugglers Bournemouth is far from being a season-changing result.
Eddie Howe has noted a lack of confidence amongst his Bournemouth squad after they lost 3-0 at home to Watford.
Watford have bought into Nigel Pearson and the transformation has been remarkable...
Nigel Pearson moved Watford out of the relegation zone as they went six unbeaten with victory over Bournemouth.
Premier League sides Aston Villa and Brighton crashed out to lower league opposition on Saturday.
Nigel Pearson will not apologise for making nine changes as Watford threw away a three-goal lead vs Tranmere.
League One strugglers Tranmere Rovers stage a three-goal comeback to earn a replay with a 3-3 draw at Watford.
Watford's fantastic form under Nigel Pearson continued with a 2-1 victory over high-flying Wolves.
The Villa manager was unhappy with his players' commitment in the first half .
Troy Deeney scored a brace as Watford's brilliant start under new boss Nigel Pearson continued.
...but the key for Nigel Peason is to make sure his players are physically ready.
Gerard Deulofeu's goal earned Watford a vital away point against the Blades.
"We have to concentrate on ourselves and not worry what other people are doing."
A terrible mistake from David de Gea sent Watford on their way to victory over Man Utd
One stunner and one audacious flick from Mo Salah secured all three points for a sloppy Liverpool.
Craig Shakespeare has joined Nigel Pearson's coaching staff at Watford, the Hornets have announced.
Watford's under-23 coach Hayden Mullins couldn't guide the Hornets to victory in a bore draw.
Southampton came from a goal down to beat Watford 2-1 and lift themselves up to 18th in the Premier League table.
Burnley are suddenly chasing Europe again while Watford are back on the bottom.
Better late than never - that's what Quique Sanchez Flores will say. Catch up here...
The Watford captain insists racism should result in instant action, rather than "three strikes and you're out".
Abraham and Pulisic for Chelsea who survived a late scare to move third in the table.
Watford boss insists getting his players to rediscover confidence is key to turning things around.
Mason Holgate headed in his first Everton goal in a 2-0 Carabao Cup win over Marco Silva's former side Watford.
Watford still searching for their first win of the season as Bournemouth held them to a 0-0 stalemate.
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