The X Factor

The X Factor, (COMIC: Opera of Doom!) also called X-Factor (PROSE: Borrowed Time) and mistakenly as X Facters by George Thompson, (PROSE: My Special Book) was an Earth television series.

History
When Frederico Gobbo, an allegedly renowned musician, played for the Tenth Doctor and Rose in Vanezia, she was deeply unimpressed and said, "This bloke wouldn't make it past round one of The X Factor!" (COMIC: Opera of Doom!)

Donna Noble watched X Factor, as mentioned by Lance Bennett. (TV: The Runaway Bride)

Cory complained about his fellow astronauts singing, comparing them to contestants on The X Factor. (COMIC: The Hyperion Empire)

One former X-Factor contestant used a Time Harvester. Amy Pond found his time in a locker in Little Green Storage. (PROSE: Borrowed Time)

George Thompson liked "X Facters"; he wrote about it in his special book. (PROSE: My Special Book)