Miranda Hart, known for her role in "Celebrity Traitors," has spoken about her deeply emotional return to television after a 10-year battle with myalgic encephalomyelitis (ME). The comedian, 53, described her body as being in "shock" during the experience, having spent months bedridden and unable to leave her home at the peak of her illness.

This appearance on the BBC program marked Hart's first major television role since her self-titled sitcom concluded in 2015. Although she made sporadic TV appearances, she largely withdrew from the public eye following her ME diagnosis, which she attributes to Lyme disease.

Speaking on "This Morning," Hart shared that many viewers were unaware of the extent of her illness over the past decade. She characterized her return to screen as emotional, particularly recounting a moment when a fellow contestant, Joe, left the show. She highlighted the importance of connection and friendship, themes that are prominent in her memoir and have resonated widely, even becoming a viral voiceover trend on social media.

Hart detailed her recovery, stating that there were times she didn't believe she would be able to walk around her local park, let alone leave her bed. Despite initial apprehension about returning to television, she found that excitement ultimately took over, driven by her enthusiasm for the show's activities.

"Celebrity Traitors" presented a unique challenge for Hart, as she continues to manage the "invisible" effects of ME. She revealed in her 2024 autobiography that her Lyme disease, which progressed to ME, had left her "bedbound and without joy." However, she felt ready to re-enter the workforce, seeing "Celebrity Traitors" as an ideal opportunity.

"I haven't done much TV work for a long time, having only recently come out of long-term ill health issues, and when I was offered this, my whole body sort of relaxed, I smiled, and I just wanted to jump about like a schoolgirl with joy," she said.

In an interview with the BBC prior to entering the famous Scottish castle where the show was filmed, Hart acknowledged that she still experiences fatigue and pain associated with her chronic condition. "I'm still living with elements of ME, and that brings fatigue and pain to manage, but I have come to a point where I feel well enough to step out, and that's also partly why I'm doing this," she explained.

She anticipated the show would be physically demanding, calling it a "big next step" and acknowledging the courage required. Hart also reflected on the isolating nature of chronic illness, noting that its invisibility means others are often unaware of the suffering involved. She expressed anticipation for forming friendships and supporting her fellow contestants, humorously suggesting they might need to help her navigate physical challenges.

It took medical professionals 33 years to diagnose Hart with Lyme disease, after initially misdiagnosing her with agoraphobia. She was subsequently diagnosed with ME, a chronic illness characterized by debilitating fatigue that is not alleviated by rest.

Following her significant success with the 2009 BBC show "Miranda," Hart maintained a lower public profile, with limited television appearances mostly confined to talk shows and Comic Relief.

Hart also mentioned a playful challenge from fans to "gallop" through the castle, a nod to her iconic sitcom character's trademark move. She admitted to impulsively accepting the dare on Instagram and contemplates whether she can fulfill it, perhaps by encouraging a fellow contestant to join her.