President Joe Biden and First Lady Jill Biden spent Monday visiting Kentucky to meet with victims of the recent flooding there, but one moment of their trip has gained the attention of millions online.

A video, posted to Twitter by the verified account "RNC Research," features the president struggling to put a jacket on and dropping his aviator glasses. That video, posted Monday evening, has since attained over 4.1 million views. The video's original source is C-SPAN. "What's going on here?" RNC research captioned the video.

In the video, President Biden is standing near his presidential helicopter "Marine One." Biden successfully puts his right arm into the jacket's sleeve, but then struggles to put his left arm in the other sleeve. First Lady Jill Biden notices her husband is struggling and comes to his aid, successfully helping the president put his arm in the sleeve. The president adjusts his jacket by the collar and his Aviator sunglasses fall off his face. He bends over, picks them up, and the video ends.

In all, it's just 43 seconds of video, but it has critics claiming it provides an example of Biden's mental health "clearly slipping," adding it's "embarrassing" and "sad."

There is no way this guy is actually running the country," said veteran and Ohio GOP congressional candidate J.R. Majewski in his tweet. "Joe Biden's handlers allow this embarrassing display to happen on a daily basis and just expect us all to pretend it's totally normal.

Joe Biden can’t even put his own jacket on," said Outkick.com founder Clay Travis in his tweet. "This is just sad. And it keeps getting sadder.

After watching the video, the publisher of conservative news outlet Texas Scorecard Michael Quinn Sullivan said in his tweet he believed President Biden "has the mental competency of a snail." Blaze TV host Chad Prather mockingly said in a tweet that there was "so much strength and confidence on display," in the video of Biden struggling to put on his jacket. Conservative political commentator Tomi Lahren said in her tweet "I feel bad for the man," referring to Biden, but added that the president's mental well-being is "clearly slipping" and that it's "just wrong he is still allowed to lead this country."

Rep. Claudia Tenney, R-N.Y., called Biden's struggle with his jacket "material for the Johnny Carson show."

Funny, except he’s the incompetent, bumbling front man for the shadow government running the country into the ground," Tenney said in her tweet.

Standing opposite of critics, some supporters believed those attempting to use the video against Biden were actually revealing something about themselves instead.

It's extremely windy so Biden asks Jill to help him put on his suit jacket, which she does," said a writer for The Atlantic, Yair Rosenberg, in his tweet about the video. "If you find this sort of common courtesy embarrassing, it says more about you that it does about him."

Critics have already been voicing concern over President Biden's mental fitness, with some even floating the idea of possibly implementing the 25th Amendment to remove him. Recently, Transportation Secretary Pete Buttigieg and Rep. Troy Nehls, R-Texas, found themselves sparring over President Joe Biden's mental health and fitness for office.

Rep. Nehls brought up during a House Transportation Committee hearing in late July that Biden had fallen off a bicycle, and then asked Buttigieg if he had "spoken to Cabinet members about implementing the 25th Amendment on President Biden?"

Buttigieg shot back, calling the nature of Nehls's question "insulting."

First of all, I’m glad to have a president who can ride a bicycle,” Buttigieg answered “And, I will look beyond the insulting nature of that question and make clear to you that the president of the United States..."

Nehls interrupted and repeated his question about the 25th Amendment and President Biden, to which Buttigieg quickly responded "of course not" before continuing his previous sentence.

The President of the United States is as vigorous a colleague or boss as I have ever had the pleasure of working with," Buttigieg said.

Nehls later said in a series of tweets that Buttigieg "refused" to answer his question "about the mountain of evidence President Biden is completely unfit for office."

Biden's gaffes have long been used by opponents as possible examples of his mental unfitness, even going back as far as the 2020 election campaign, when former President Donald Trump mockingly nicknamed him "Sleepy Joe."

Supporters of President Biden have long insisted he grew up with a speech impediment, and that he struggles with a stutter at times.

The 25th Amendment is a never-before-used option that the vice president and senior White House officials can employ to remove a president from office if they feel the president is somehow “unable to discharge the duties of his [or her] office.”

The Washington Post reported that senior Trump officials were considering using the 25th Amendment against then-President Trump in the wake of the Jan. 6 insurrection riots.