Is Timeline coming back?

Name: Timeline
Genre: History
Released: 2014-03-06

Timeline (2014–2014) — history on Challenge

The answer: Concluded May 8, 2014.

Genre: History
Network / streamer: Challenge
Premiered: March 6, 2014
Ended: May 8, 2014
Runtime: ~60 min per episode

About Timeline

Brian Conley presents Timeline, where three teams of two compete against not only each other but also an ever decreasing time limit in order to bank as much money as possible.