I hope so. There's several good candidates from what they've aired: Treasure Hunt, Play the Percentages, and Jackpot! (Not sure if they aired Geoff's Chain Reaction; I know they aired a few Emmons episodes, including the premiere.)
For those curious, here's what the Jim Lange marathon consisted of, per the advance schedule:
-8:00 AM -- 1967 episode (#67-004) with Tom Selleck, Sammy Jackson, and Casey Kasem
-8:30 AM -- 1967 episode (#67-008) with Burt Reynolds
-9:00 AM -- October 6, 1966 nighttime debut (listed as #69-001) with Sally Field and Robert Vaughn
-9:30 AM -- 1969 episode (#69-013) with Marc Copage and Farrah Fawcett
-10:00 AM -- 1972 episode (#72-110) with Michael Jackson
-10:30 AM -- 1974 episode (#74-034) with Amanda Jones and Arnold Schwarzenegger
-11:00 AM -- 1968 episode (#68-150) with Steve Martin
-11:30 AM -- 1969 episode (#69-091) with Don Johnson, Bob Hope, and Robert Goulet