The quip happened after the show's host Al Roker said on-air that he would watch a reality show about the vice president in “about a minute.” He then offered Biden a chance to fill in as the show's host.

Biden tweeted back from his official @VP account:

Clinton's infrequently-used Twitter made no immediate response.

The Twitter joke came after Biden and Clinton met for breakfast at the Naval Observatory Tuesday morning. 

The two are seen as possible 2016 contenders for the Democratic nomination.

On Monday, Clinton met President Obama for a lunch at the White House. The White House said the move was mostly “social,” but the meet fueled further speculation about Clinton’s future plans.

Polls show her to be the overwhelming 2016 Democratic favorite, but Clinton has yet to weigh in on whether she is considering a bid.