A spinoff in television is a new series which contains characters from an old series. They are particularly common in situation comedies.
Three main types of television spin-off exist:
a supporting character or characters in an existing series is given their own show in which they become the main focus. The original series continues and there may be some crossover of characters between the shows on occasion (eg. Rhoda from The Mary Tyler Moore Show)
new characters are specially incorporated into an existing series for the sole purpose of being launched into their own show that will feature no regular characters from the original series, except possibly as guest appearances (eg. Empty Nest[?] from The Golden Girls)
... published in 1877 through 1878, set against the background of Russian society of that time. Its theme is the institution of marriage and its relation to society and ...