It faced heavy criticism for its 2013 coverage of the unproven "Stamina" therapy, which experts argued promoted pseudo-science.
The show's "in-your-face" style has often blurred the line between journalism and sensationalism.
Reporters have been accused of harassment, such as a 2015 incident where they reportedly entered the garage of MotoGP racer Marc Márquez uninvited, leading to a physical altercation.