"Tattoo Nightmares" is a reality television series that aired on Spike TV. The show features individuals who have regrettable or poorly done tattoos and seek help from professional tattoo artists to cover them up or transform them into new designs. Each episode showcases the stories behind the tattoos, often highlighting the emotional or humorous reasons for their existence. The artists, including well-known figures like Megan Massacre and Chris Nunez, work to create unique and meaningful pieces that help the clients move past their tattoo regrets.