A video of Don Lemon knocking on windows at strangers on the subway has gone viral, with some people questioning whether he is doing alright.

Don Lemon was seen knocking on New York City subway windows and showing commuters strange photos on his phone in a bizarre social media stunt. The former CNN host posted a 15-second clip to his 1.2 million TikTok followers where he tried to get the attention of unsuspecting straphangers at the Times Square-42nd Street station on Thursday,