The documentary also exposed efforts by Masot to establish a pro-Israel youth group within Labour, and contained footage in which he said Corbyn was "crazy" and described his supporters as "weirdos" and "extremists".
Jon Lansman, the founder of the pro-Corbyn Momentum movement, said the former Prime Minister was in the wrong party - and there was no turning back.
His comments come after another leading figure of the Blair era, Lord Blunkett, warned that the party is facing "irrelevance" unless there is a rethink of the "Corbyn project".
"You do feel a strong loyalty and attachment, but at the same time it's a different party. The question is, can it be taken back?"
Baroness Chakrabarti's call came after Labour's ruling National Executive Committee (NEC) agreed to incorporate the International Holocaust Remembrance Alliance's (IHRA) definition of anti-Semitism, including all its examples of prejudice against Jews, in the party's code of conduct. Can it be taken back?More news: Obama Slams Donald Trump Publicly For First Time
Labour Party's deputy leader, Tom Watson, said: "Impossible to fathom how Iran State TV was able to live-tweet the Joan Ryan no confidence vote at Enfield North - from inside the CLP meeting".
A year ago he told the BBC he accepted it was "possible" that Mr Corbyn could become prime minister, in the wake of the 2017 snap election in which Labour defied predictions of a heavy defeat and stripped the Conservatives of their majority. I am a socialist.
"The Labour Party is tearing itself to pieces, and in the process it is tearing down the very people it needs the most".
Asked on the visit to the Abbey Pump station whether he should heed the words of the three-time election victor, the current Labour leader said: "I've fought one election as leader of the party and we had the biggest swing to Labour during that campaign since 1945".
People said they saw the signs in at least three areas including Bloomsbury, Westminster and Waterloo.
Analysis of the 2017 election by the Press Association has showed that the swing to Labour from the Conservatives was 2%, compared to 10% in the 1997 landslide.More news: Trump lawyer Rudy Giuliani: Trump will not answer obstruction questions
The no-confidence vote expresses local members' dissatisfaction with the MP but will not automatically lead to a deselection ballot.
"This was about antisemitism in the Labour party and those of us who have stood by the Jewish community and said, 'Enough is enough, '" Ryan declared in statement following the vote.
"Their actions say far less about me - and you - than they do about the face of today's Labour Party".
But he said the anti-Semitism row that had engulfed the party was "bad because it has been, in the end, something that I just can't imagine ever having happened in the Labour Party that I joined".
A spokesperson for the London Labour Party said: "Filming of local Labour Party meetings is not permitted, and Enfield North will be reminded of this fact".
Blair also hinted at the emergence of a new "progressive, modern" party that would split the liberal-left even further.More news: Man Utd defender Luke Shaw was told he almost lost his leg