The broadcast had cut to a break while Los Blancos were celebrating their 15th European crown thanks to goals from Dani Carvajal and Vinicius Jr, but when they returned Mourinho was elsewhere and left host Laura Woods to explain the situation, alongside Rio Ferdinand and Steve McManaman.
Woods told viewers that Mourinho had "left" but for a very heartwarming reason as he stepped onto the Wembley pitch to embrace an emotional Terzic, who had come so close to etching his name into Dortmund's history books.
The Bundesliga side had chances to take the lead in the first half but Terzic watched on in despair as they failed to break the deadlock, before serial winners Madrid came back in the second half with momentum taking them over the line for the sixth time in just over a decade.
"It's just a really lovely moment between two managers," Woods said as TNT cut to pictures of Mourinho embracing a teary Terzic, with the widely reported new Fenerbahce boss showing his humility and emotion to a fellow professional.
"And there are a lot of similarities already between those two. Jose's first Champions League final (came) at the age of 41, Edin Terzic is obviously going to be incredibly emotional but has done incredible things with this Borussia Dortmund side. To get them all the way to the final, especially after the disappointment at the end of last season in the Bundesliga.
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Jose Mourinho consoling Borussia Dortmund head coach Edin Terzic. (Image: TNT Sports.)
"Managing to lose out on the last day of the season on goal difference, not many teams would make it to the Champions League final after a season like that."
After then coming back to the sideline and rejoining the broadcast, Mourinho went on to explain exactly what he said in order to try and comfort a dejected Terzic.
Mourinho recalled: "I told him... he was saying that it's very, very hard, and I said: 'Time is not going to help you, it's going to be very hard for the rest of your career, for the rest of your life, but you have to be very proud of the work you did. Because you did amazing'.
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Ultimate respect ??????
Jose Mourinho consoles Borussia Dortmund manager Edin Terzic after the Champions League final ????????????#UCLfinalpic.twitter.com/L7ZSUtluHI
— Football on TNT Sports (@footballontnt) June 1, 2024
"As a coach he couldn't do more, the coach cannot score, the coach cannot put the ball in the net. The coach can organise, the coach can give mentality which can give confidence and he did all that.
"He is not the guy to kick the ball in the net which missed him. But the approach was amazing, they were brave. They made a really good difference between when you press high and making the block a bit lower.
"Vinicius and Rodrygo (were) never one-versus-one, always with good cover. They did everything well apart from scoring. So as a coach, he has to be proud but he is not going to forget."