Eighth league win on the bounce helped them seal their 34th league title and their first double in 17 years.
UEFA rushed forward VAR's introduction into the competition and Video Assistant Referees have only added to the drama.
Lucas Moura completed a hat trick in the sixth minute of injury time as Tottenham rallied to beat Ajax 3-2 and reach its first Champions League final.
In Amsterdam, Moura nearly single-handedly helped Tottenham pull off a similar feat.
Spurs must overturn a 1-0 first-leg deficit when they take on the Dutch club in the return of their last-four tie in Amsterdam, with a final against Liverpool on June 1 the prize for the winners.
Tottenham have already made history for the club by getting this far -- they last reached the semi-finals of the European Cup in 1962 before being beaten by Eusebio's Benfica.
For the first since 1972, when Cruyff was starring on the field, Ajax are on course for a historic treble.
Tottenham, trying to reach their first European final since the 1984 UEFA Cup, have to focus on the challenge presented by Ajax's vibrant young side.
Pochettino comes back down to earth as Ajax young guns show their class.
Ajax dominated the first half until Pochettino completely changed his game-plan by switching from a 3-5-2 formation to a 4-4-2 system.
Ajax did not make the most of their chances on the break to kill the tie off and all but progress to their first Champions League final since 1996.
Spurs manager Mauricio Pochettino believes he will not be fit for another two weeks after suffering a groin injury.
Barcelona can turn focus to Europe while Ajax young guns turn to old hand
Pochettino is yet to win his first major trophy, but he out-witted City boss Pep Guardiola, who has won every prize the game can offer.
Cristiano Ronaldo, bidding for his sixth Champions League title, scored a 28th-minute header to put Juve ahead after a 1-1 first-leg draw, but Donny van de Beek levelled for Ajax before half-time.