Channeling characters Vladimir and Estragon, the duo speculated as to if and when President Donald Trump’s promised replacement for Obamacare would arrive.

“Why hasn’t it come already?” asked Colbert.

“He said it was more complicated than anyone thought,” Stewart replied, in a dig at Trump’s ridiculed comments on the complexities of the health care system.

Luckily, the actor used his “Star Trek” powers to extricate himself and Colbert from their precarious position.

Check out the full clip above.