“I believe that our trade policies going way back when — I voted against NAFTA, CAFTA, PNT, all with China. I think they have been a disaster for the American worker,” he said in an interview excerpt released Friday. The full interview airs Sunday on NBC’s “Meet the Press.”

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“People will have to contrast my consistency and my willingness to stand up to Wall Street and corporations, big corporations, with [Clinton]," the self-described Democratic socialist added.

Sanders also noted that he came out against the Keystone XL pipeline on “day one,” because “if you’re serious about climate change, you don't encourage the excavation and transportation of very dirty oil.”

This week, Clinton announced that she had changed her mind on the TPP — President Obama’s signature trade deal, which she had touted as his secretary of State.

Her reasoning: It didn’t meet the “high bar” of a good trade deal of creating jobs, raising wages and protecting national security.

She also came out against the Keystone pipeline last month, a long-awaited decision that she had been asked about on the campaign trail for months. That is another project that she worked on as a member of the Obama administration.

The interview will air just two days before Sanders and Clinton square off in the first Democratic presidential debate.