"It's times like this you’re glad your sister didn’t go into show business.” (Vampire)

Notable brothers
• Chicky and his brother who smokes stale Colombian cigarettes (Deckwatch)
• Clancy brothers (Pilot)
• Coleman brothers (Pilot)
• Corsican Brothers (Deadly Imposter)
• Debra and her dead brother (Set-Up)
• Frank and Virgil (Moonshine)
• Hutch and Kiko Ramos (Running, Little Girl Lost)
• Johnny and Ernie Bagely (Trap)
• Kenny and Donald Widdicombe (Blindfold)
• Patsy and Nicky Cairo (Murder at Sea)
• Starsky and Nick (Starsky’s Brother)
• Wally and 5
th Avenue (Lady Blue)
• Willy and Melvin Hall (Moonshine)
• Vern, breaking in to woman's apartment, tells her he is looking for his brother. (Running)

Notable brothers and sisters
• “Debra” and her “brother” (Set-Up)
• “Patricia Nash” and “George Stegner” (Set-Up)
• Abby Crabtree and her Volkswagen driving brother (Vendetta)
• Jerry and Cheryl Jennings (A Coffin for Starsky)
• Kiko and Molly/Pete (Little Girl Lost)
• Allison May and Starsky (Targets 2, Targets 3)
• Laurie and Paul Rizzo (Heroes)
• Marianne and Harry Owens (Ballad for a Blue Lady)
• Marianne and Teddy Tustin (Tap Dancing)
• Nancy Blake and Hutch (Terror on the Docks)
• Ted and Julie McDermott (Action)
• Theresa DeFusto and her little brother (Shootout)
• Vikki and Guy Mayer (Little Girl Lost)
• Wally Stone and Ruth Willoughby (Murder on Stage 17)

Notable sisters
• Bobbette and Jane (Vampire)
• Bobbie and Monique Travers (Avenger)
• Leslie Slate, Cassie and Lori are sorority sisters (Strange Justice)
• Tricia and Julie (Satan’s Witches)
• Hannah and Eliza Kanen (Deckwatch)
• Mardean and Jamie go to stay with Mardean’s sister. (Targets Without a Badge 1)
• Sharon and her sister who has Sharon’s car (Las Vegas Strangler)
• Cindy and Helen, Cindy says Helen was the "the kid sister I never had.” (Lady Blue)
• Doris Huntley tells Hutch Luke told her to go visit her sister (Birds of a Feather)