Yes it is true. You will fight the Muslims and you will lose.
By the way, that is simply a prophecy, it can't be used to make Islam seem anti-semitic.
(I am only referring to the quotes, I haven't watched the video and so can't comment on it).
The context of the comment:
Anas (may Allaah be pleased with him) said: “The Messenger of Allaah (peace and blessings of Allaah be upon him) said: ‘The Dajjaal* will emerge from among the Jews of Isfahaan, and with him will be seventy thousand Jews, wearing crowns.’” (Narrated by Ahmad, no. 12865).
Imaam Ahmad narrated that Jaabir ibn ‘Abd-Allaah (may Allaah be pleased with him) said:
“The Messenger of Allaah (peace and blessings of Allaah be upon him) said:
‘The Dajjaal* will emerge at a time when religious commitment is low and knowledge has decreased…
Then ‘Eesa ibn Maryam** will descend just before dawn and will call people, saying, ‘O people, what is stopping you from coming out against this evil liar?’
They will say, ‘This man is a jinn’, then they will set out.
When they reach ‘Eesa ibn Maryam, the time for prayer will come the iqqamah will be given, and it will be said to him, ‘Go forward (to lead the prayer), O Spirit of Allaah.’
He will say, ‘Let your imaam go forward and lead you in prayer.’
When they have prayed fajr, they will go out to meet him (the Dajjaal) and when they see the liar, he will start to dissolve like salt in water. ‘Eesa will go to him and kill him.
Even the trees and rocks will call out, ‘O Spirit of Allaah, here is a Jew!’ And none of those who followed him will be left, they will all be killed.” (Hadeeth no. 14426).
*The anti-christ (i.e. evil person who will cause great corruption in the earth)