[1] The narration begins a few minutes into the episode: As must be obvious, this is a house hovered over by Mr. Death, that omnipresent player to the third and final act of every life.

And, of course, he must take the only known route – that indistinct highway through the region we call the Twilight Zone.Billy's beloved grandmother visits for his fifth birthday party, despite being deathly frail.

He discusses with Sylvia how his mother had two children before him, both of whom died, which is why she was so attached to him and especially Billy, who reminded her of Chris and helped her forget years of loss.

A toy telephone, an act of faith, a set of improbable circumstances, all combine to probe a mystery, to fathom a depth, to send a facet of light into a dark after-region, to be believed or disbelieved, depending on your frame of reference.

It was decided that six consecutive episodes (production code #173-3662 through #173-3667) would be videotaped at CBS Television City in the manner of a live drama and then transferred to 16-millimeter film for future syndicated TV transmissions.

Eventual savings amounted to only about $30,000 for all six entries, which was judged to be insufficient to offset the loss of depth of visual perspective that only film could offer.

Charles Beaumont offered to undertake revisions and ended up taking a joint credit on-screen with a Bill Idelson instead.