Episode listing: (Times are Central Daylight)
10a "Crunch Time"
11a "A Tale of Three Billys"
12p "Grater Education"
1p "Digging for Dollars"
2p "Spinning Green"
3p "Tool Guys"
4p "Spotting Talent"
5p "Smells Like Gold"
6p "From the Jaws of Victory"
7p "High Impact Item"
8p "Dual Saw Shuffle"
9p "Revenge of the Pitchmen" (New, Regular Timeslot)
10p - 12a: Reruns of the 7p - 10p episodes (normal for Discovery to repeat the "Primetime" shows in these time slots.)
All episodes have previously aired -aside from the new one in the regular timeslot- and I believe they have one more episode "in the can" to air next week.
The show started airing in early-March, giving them... Hey! 12 epsidoes to air!