It's gotten to the point where it's easier to list the times when that thing... ISN'T on during the weekend (so far, that is).
So, here they are. All times Eastern.
FRIDAYS:
7-9pm
SATURDAYS:
2-6am
10pm-Midnight
SUNDAYS:
9-10am
11pm-Midnight
If your station isn't yet airing that thing...
maybe now the time is (and these times are) right.