Season 4 of “Caught in the Act: Unfaithful” premieres on Tuesday, October 21.

The new season will premiere at 8 p.m. ET on MTV. Those without cable can watch the show for free through Philo , FuboTV or DIRECTV , each of which offers a free trial to new users. Sling is another option for streaming the show, and promotional offers are available.

WATCH CAUGHT IN THE ACT: UNFAITHFUL FOR FREE ON PHILO

Host Tami Roman sets out on a mission to help suspicious lovers by catching their cheating partners while in the middle of the act, according to MTV.

With a little help from relationship expert Kevin Carr and private investigator Brianne Joseph, Roman manages to uncover both the truth and the receipts required to expose the cheats. If caught cheating, the show gives the victims of in

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