The 39-year-old actor will read Ross Collins’ There’s A Bear On My Chair on Mother’s Day – much to the delight of parents.
Speaking to the camera, Hardy says: “Well, I think that there’s enough room for our mouse and bear to sit together here because it’s good for a mouse and a bear to share
“I’ll see you soon for a goodnight story. Until then, night night.”
The teaser was posted on the official Facebook account for the children’s channel alongside the caption: “Just leaving this here. Tom Hardy. New CBeebies Bedtime Story. Sunday.”
One user posted: “That grin that he does at the end every time is him literally saying I know what you women are thinking right now.”
Another wrote: “Cbeebies I will miss you when my kids are older.”
A third posted: “This is so unashamedly not aimed at the children...swoon...we owe you big time. Thank you CBeebies for looking after us mums xx.”
Hardy's Bedtime Story debut on New Year's Eve was deemed the “stuff of dreams”.
He then set hearts all a-flutter with his recital of Tom McLaughlin’s book The Cloudspotter, which saw him joined by his dog Woody, on Valentine’s Day.
Rob Brydon, James McAvoy, David Tennant, Isla Fisher, Damian Lewis and Edith Bowman are among the celebrities who have read stories in the past.
Hardy’s Bedtime Story will air on Sunday at 6.50pm.