The long running hit Cheers produced another long running amusing spin off Frasier, following the character Frasier Crane.
The inexplicably popular Happy Days produced the inexplicable Mork and Mindy.
Stargate has produced Stargate and, I think, Stargate with a consistent character, I think.
Star Trek.. something similar.
How many did All In The Family produce?
What TV series character would you most want to see spun off in a show?
For example, I would like to see The West Wing’s character Charlie spun off into his own show.
Firefly’s Mel… on another life track and ship?
Prime Suspect’s DCI Tennison post police?
And if you don’t like any TV at all, you might go find another entry to read and leave this one be.