Premise: Sister shows are two or more television series which exist in the same fictional universe and which may have crossovers . The Bold and the Beautiful . It premiered on March 23 , 1987 as a sister show to the Bells ' other soap opera The Young and the Restless ; several characters from each of the two shows have crossed over to the other since the early 1990s . The Young and the Restless . Y&R is also a sister show to the Bells ' other soap opera The Bold and the Beautiful , as several actors have crossed over between shows .
Hypothesis: The Young and the Restless's sister show is The Bold and the Beautiful.
Label: ENTAILMENT