Rob Reiner says he’s rooting for Joe BidenJoe BidenHillicon Valley: Biden calls on Facebook to change political speech rules | Dems demand hearings after Georgia election chaos | Microsoft stops selling facial recognition tech to police Trump finalizing executive order calling on police to use ‘force with compassion’ The Hill’s Campaign Report: Biden campaign goes on offensive against Facebook MORE because the former vice president has “the best chance to beat Trump” in 2020.

“I think that if he becomes president, on day one, America will be brought back to where it belongs in the world,” the “Shock and Awe” director said in a Thursday interview with entertainment news site The Blast.

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Reiner — one of President TrumpDonald John TrumpSenate advances public lands bill in late-night vote Warren, Democrats urge Trump to back down from veto threat over changing Confederate-named bases Esper orders ‘After Action Review’ of National Guard’s role in protests MORE’s most vocal Hollywood critics — added that he’s “excited” about Biden’s candidacy. The ex-VP announced his White House run on Thursday.

The 72-year-old former “All in the Family” actor also offered a message of support for Biden — amid a crowded Democratic field of 2020 contenders — in a Thursday tweet:

Last year, Reiner — who supported Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonWhite House accuses Biden of pushing ‘conspiracy theories’ with Trump election claim Biden courts younger voters — who have been a weakness Trayvon Martin’s mother Sybrina Fulton qualifies to run for county commissioner in Florida MORE in the 2016 race — told ITK that Biden could “right the ship” with a White House bid.

“I think the ship is foundering right now and someone with his experience could come in and right the ship,” Reiner said in June.