Dynasty returned for Season 4 on May 7, 2021.
Season 4 Episode 21 is titled “Affairs of State and Affairs of the Heart” Here is the synopsis from TV Guide: “Blake considers dropping out of the senatorial race and Culhane is devastated by what this would mean to the schools. Kirby offers to help Culhane and Cristal has other plans for Blake. Alexis confronts Dominique about her secret and proposes a deal. Fallon and Liam get away for a weekend together but things don’t end up as either one thought they would. Jeff continues behaving erratically. Adam calls in a favor from Sam.”