Longest-running family drama in TV history, "7th Heaven", ending after 10 seasons.

"At this point, we're all very much a family," she said. "However, just like the Camden kids, I think we've all grown up and it's simply time to leave home."
No one gave a reason for the cancellation, but production costs tend to increase as shows get older and salaries rise. Contracts for most of the people involved in "7th Heaven" reportedly run out at the end of the season. . . . . .Full Story