Katherine Heigl's 'Doubt' canceled after two episodes

CBS has canceled legal drama "

Doubt

", starring Katherine Heigl and Laverne Cox just after only two episodes.

It is unclear when - or if - the remaining 11 episodes will air, according to The Hollywood Reporter.

The show becomes the first series to be canceled outright this broadcast season as the ratings bar becomes lower.

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"Doubt" made TV history as the first broadcast series with a regular transgender character played by a transgender actor, Cox.