^ It was possible if you lived in a small town/city that doesn't have enough local stations to have UPN/WB affiliates. In those instances the other stations could've run UPN/WB shows on syndication time slots, e.g. Enterprise on Saturday at 5 p.m. followed by Angel at 6 p.m.
On our NBC affiliate they showed 4 hours of WB programming on Sat night. So we would see Smallville and Angel first and then like Everwood and some other crap after. I forgot how it went exactly but they usually paired things up with the shows they were with...like on Fri at 2am they showed Charmed and whatever it was paired with at the time.