Danny Masterson submitted a massive, admittedly “oversized” appeal brief in his California rape case Wednesday that challenges the credibility of his victims and claims a series of trial court errors “requires” the reversal of his 2023 conviction.

The 246-page filing, obtained by Rolling Stone, has yet to be accepted by the state’s Court of Appeal, but it lays out the arguments he believes are his best shot at overturning his two forcible rape convictions and sentence of 30 years to life in prison. (If the court denies his request to extend his word limit,...