Goals from Dani Olmo, Raphinha, and an acrobatic Lamine Yamal strike powered the Catalans to 52 points, one ahead of Real Madrid.
Mbappe fires Real Madrid to the summit, Bayern lose at home and Dortmund stay in the title hunt.
Harry Kane scored his 36th goal of the season but Bayern Munich let a second-half lead slip to draw 2-2 with Hamburg SV.
Liverpool coach Arne Slot said he was delighted to have Mohamed Salah returning from Africa Cup of Nations duty soon, despite an apparent falling-out just weeks ago.
AS Roma took a big step towards qualifying for the Europa League last 16 with a 2-0 win over VfB Stuttgart on Thursday.
IMAGES from the UEFA Champions League matches played on Wednesday.
IMAGES from the UEFA Champions League matches played on Tuesday
Real Madrid booked a Spanish Super Cup final against Barcelona after beating city rivals Atletico Madrid 2-1 on Thursday.
Al-Nassr top the standings and are two points clear of second-placed Al-Hilal. Al-Ahli are fourth on 25 points.
Albacete's journeyman striker Jefte Betancor, who scored a stunning double on Wednesday to help his second-tier side knock Real Madrid out of the Copa del Rey, once considered swapping football for a career as an electrician.
Despite the deficit, Toofans remained on the front foot in search of a goal that would get them back in the game. They registered 8 circle entries and a couple of penalty corners in the third quarter.
IMAGES from UEFA Champions League matches played on Wednesday
Arsenal's Premier League title prospects were enhanced without them even kicking a ball on Wednesday as their closest challengers Manchester City and Aston Villa both dropped points.
'We've hit rock bottom; we've been knocked out by a second division team.'
Arsenal beat Bournemouth 3-2 on Saturday to extend their lead at the top of the English Premier League.
'The only thing I can do is on the pitch -- to give my all. I won't always be technically perfect, but I will always give 100% for the team.'
Non-league Macclesfield produced perhaps the FA Cup's greatest upset on Saturday when they beat holders Crystal Palace 2-1 in a thirdround thriller, knocking Oliver Glasner's team out of the competition and sending the Moss Rose crowd into raptures.
Real Madrid ended a turbulent week with a 2-0 LaLiga win over lowly Levante on Saturday courtesy of second-half goals from Kylian Mbappe and Raul Asencio.
Arsenal took a seven-point lead at the top of the Premier League after a scoreless draw with Nottingham Forest on Saturday.
Bayern Munich, helped by two record-breaking VfL Wolfsburg own goals and two from man-of-the-match Michael Olise, demolished the visitors 8-1 in the Bundesliga on Sunday.
Late goals from Dani Olmo and Robert Lewandowski earned LaLiga leaders Barcelona a hard-fought 2-0 victory over Espanyol.
IMAGES from the Premier League matches played on Sunday
'As a centre-forward, you can make a lot of runs sometimes and not get the ball. You need a lot of things to come together for it to be a goal.'
Aston Villa secured a 2-1 victory at Basel on Thursday, with goals from Evann Guessand and Youri Tielemans keeping their Europa League campaign on a strong footing.
After Saturday's 2-1 win at Chelsea - their 12th in 13 league matches - Aston Villa have claimed 18 points from losing positions so far this season, more than any other team.
The visitors kept up the pressure in the second half and after a series of chances Pulisic equalised, turning home a low cross from close range in the 67th, seconds after coming on.
Liverpool shrugged off the absence of Mohamed Salah as midfielder Dominik Szoboszlai scored an 88th-minute penalty to give them a 1-0 Champions League win at Inter Milan.
LATE MILEY GOAL SENDS NEWCASTLE THROUGH
Bournemouth's Eli Junior Kroupi struck late to salvage a point for his side in a 4-4 draw with Manchester United on Monday.
Midfielder Phil Foden delivered in dramatic fashion, scoring in the first and 91st minutes, to seal Manchester City's 3-2 victory over Leeds United.
Barcelona recovered from an early setback to secure a 3-1 victory over Deportivo Alaves in LaLiga on Saturday.
Christensen, Rashford on target as Barcelona beat Guadalajara in Copa del Rey
Real Madrid suffered a shock 2-0 loss and finished with nine men against Celta Vigo in LaLiga on Sunday.
While Wolves are looking down, United are beginning to look up and while there were times in the first half when they looked vulnerable, their second-half display was silky.
Inter Miami secured their first MLS Cup crown on Saturday, beating the Vancouver Whitecaps 3-1 at Chase Stadium as Rodrigo De Paul and Tadeo Allende struck late from a pair of Lionel Messi assists.
Selvam Karthi produced the winning goal in the last quarter as India defeated New Zealand 3-2 in the Sultan Azlan Shah Cup.
Manchester City seized the opportunity of Arsenal's 2-1 loss at Aston Villa earlier in the day to climb within two points of the leaders.
Arsenal missed a chance to tighten their grip on the Premier League title race with a 1-1 draw at 10-man Chelsea on Sunday.
Inter edge Genoa to go top
Lyon thump Maccabi Tel Aviv to go top, Forest keep on winning