Stefano Okaka scored his first goals for Watford as they came from behind to beat out-of-form Everton in the Premier League.
Okaka, signed from Anderlecht in the summer, flicked in a superb backheeled effort in the first half, before heading home following a corner after the break.
In between, Sebastian Prodl powerfully nodded in from Jose Holebas' whipped cross.
Everton had gone ahead on 17 minutes as Romelu Lukaku slotted in from Gareth Barry's inch-perfect, first-time pass, and the Belgian headed in a late consolation.
The Hornets had lost three of their past four league games, and looked like stretching that sequence when they fell behind early on.
But they drew inspiration from striker Okaka's stunning opener, the Italian's first goal in the Premier League since scoring for Fulham in May 2010.
His second was helped by slack Everton defending, which allowed him to head in at the near post.
Their starting line-up featured players of 11 different nationalities, but Watford's togetherness was clear. Indeed it was epitomised by the hard-working Etienne Capoue, who covered 9.33km and gained possession back nine times - more than any other team-mate.
Troy Deeney remains stuck on 99 club goals, though, and has now gone eight league matches without finding the net. He should have done better with a first-half effort he screwed wide.
Toffees unstuck at the back
After a bright start to the season under Ronald Koeman, with four victories in their opening five games, Everton have fallen away and have won just one of their past 10 games.
And problems in defence have seen them keep just two clean sheets in the league this season.
Austrian defender Prodl gave their backline a warning when he headed over, but they did not respond and he soon found the net.
Lukaku did provide some cheer at the other end, and his header five minutes from time took his tally of goals to 12 in the league this season.
Barry closes in on record
Veteran Everton midfielder Barry has played in 609 top-flight games, moving him level with former England team-mate Frank Lampard.
The 35-year-old showed his class with a wonderful assist for Lukaku's opener and made more passes (62) and tackles (four) than any other player.
If the former Aston Villa and Manchester City man plays in Everton's remaining 23 league games this season, he will draw level with Ryan Giggs' Premier League record.
More to follow.