Stephen Hawking's Grand Design (8pm Discovery) - The first episode in a series examining existential matters focuses on the nature of reality and the meaning of life. An episode at 9 looks at string theory and the rules and laws of the universe. And at 10, the creation of the universe is discussed.
Who Killed Allison Parks (8pm, Lifetime) - A new Lifetime movie in which an ER nurse experiences the memories of a murder victim after being electrocuted, and she races to catch the killer with the help of a detective.
Hannah's Law (8pm, Hallmark Movie Channel) - A bounty hunter seeks revenge for the murder of her family and prepares for a showdown with the powerful gang leader responsible for the slayings.
Jersey Shore Shark Attack (9pm, Syfy) - "Bro! Shark!!" In this Syfy movie, sharks menace the Jersey Shore on the July 4th weekend, and it's up to local Jersey Shorians to stop them. This pinnacle of cinema achievement stars Tony Sirico ("The Sopranos"), Paul Sorvino ("Goodfellas"), Jack Scalia ("Dallas"), Joey Fatone (‘N Sync), and a small role by Vinny Guadagnino of "Jersey Shore."
Dog the Bounty Hunter (10pm, A&E) - A behind-the-scenes look at Dog and his team includes cast interview and never-before-seen footage.
Real Life: The Musical (10pm, OWN) - In this new series, tongue-tied folks sing things they can't say to those they love ("I love you," "Marry me," etc) with the help of vocal coaches and choreographers. Tonight, a couple who eloped want to say "we're sorry" to their mothers, who are upset that they missed the wedding.