Also airing Wednesday, April 27, 2016: “Blackish” on ABC and “Rosewood” on Fox.

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‘Skin Wars’

In this body-painting competition, artists try for a $100,000 cash prize. Tonight’s episode features the “camouflage challenge” in which models are painted to blend into intricate backgrounds. Judges include RuPaul Charles, Craig Tracy and Robin Slonina. Hosted by Rebecca Romijn. 10 p.m. Wednesday, April 27, on GSN.

Doug Knoop: or on Twitter @dougknoop

Also on Wednesday

“MLB Baseball,” 7 p.m. (ROOT): Houston Astros at Seattle Mariners (Live).

“Rosewood,” 8 p.m. (Fox): When two bodies and cash wash up on the beach in Miami, Rosewood and Villa must work the case with a rival pathologist who threatens Rosewood’s arrangement with the Police Department.

“Schitt’s Creek,” 8 p.m. (Pop): Johnny gets thrown into the raw-milk business; Moira tries to connect with the townspeople.

“Supernatural,” 9 p.m. (The CW): Sam and Dean go to a small town in Colorado to meet two hunters who have a personal vendetta against monsters that appear once in a generation and cause mysterious disappearances.

“Blackish,” 9:31 p.m. (ABC): Dre is fearful of losing his job and tarnishing his family’s reputation when Stevens & Lido announces company layoffs.

“The Americans,” 10 p.m. (FX): The FBI and the KGB compete in trying to find an important agent.

“Catfish: The TV Show,” 10 p.m. (MTV): A woman receives a message from someone claiming to be channeling the spirit of her father, who committed suicide after murdering her mother.

“Global Health Frontiers,” 11 p.m. (KCTS): Clean-burning stoves help reduce deaths and debilities in Ghana; training clinic providers ensures better birth outcomes in Guatemala.