"The Late Show With Stephen Colbert" will air its final episode May 21.

Late-night icon David Letterman said CBS ended "The Late Show with Stephen Colbert" over costs, knocking the network for not wanting to "spend any money."

David Letterman, who hosted The Late Show for nearly two decades before Stephen Colbert, recently spoke out about the latter’s exit from the network this year. CBS is replacing The Late Show with Stephen Colbert with Comics Unleashed with Byron Allen.

Letterman previously hosted 'The Late Show' from 1993 to 2015, when Colbert took over

Late-night legend David Letterman had some choice words to describe Stephen Colbert’s replacement on CBS. Letterman, 79, said during a conversation with Barbara Gaines and Mary Barclay on his podcast on Friday that the network’s decision to replace The Late Show with Stephen Colbert with Byron Allen’s Comics Unleashed during the late-night time slot is a financial one.

David Letterman is dissecting CBS’s choice of replacement for Stephen Colbert’s talk show. Letterman, who launched “The Late Show” in […] The David Letterman Breaks Silence on Stephen Colbert’s Replac

David Letterman recently shared his stance on The Late Show with Stephen Colbert being replaced by Byron Allen’s comedy talk show, Comics Unleashed. He reflected on how the network wants to reduce spending and increase revenue.

David Letterman said the main reason Byron Allen is taking over Stephen Colbert's late-night time slot at CBS comes down to money. While speaking with Barbara Gaines and Mary Barclay on his podcast Friday,

'They don't want to spend any money.'

David Letterman reacts as CBS replaces Colbert, signaling a major financial shift in late-night TV