The show's got to end sometime! But for veteran TV presenters Barbara Walters and David Letterman, the reality of retirement is a hard pill to swallow.

Legendary broadcaster Walters, who airs her last episode of the hit daytime TV show The View on Friday, May 16, made a touching appearance on good pal Letterman's The Late Show on Wednesday, May 13.

Walters, 84, discussed her forthcoming retirement with Letterman, who himself is due to bid farewell to his eponymous Late Show sometime in 2015.

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"You're retiring, I do not want you to retire," Walters said earnestly.

"I do not want to retire either," retorted Letterman, the longest-standing late-night show host in the history of television, setting a record of 31 years.

After he joked that he'd tried to change his mind, but CBS was already repainting his set,  Walters insisted she understood.

"I feel the same way," the broadcast journalist replied. "I said, 'Yes, I wanted to go.' But I'm not ready. Let's walk into the sunset together!"

The fellow retirees received a round of applause from an appreciative audience as they shook hands on the deal, before Letterman characteristically delivered the punchline.

"Ok that's fine," he deadpanned. "We'll do that. Wait a minute. I think we just made a suicide pact."

Check out the video above!