Alan Sepinwall, critic/columnist for the New Jersey Star-Ledger, ended his review of 'Jericho' with this:
" I just can't shake this fear that, if the ratings aren't strong out of the gate, Roma Downey and Della Reese are going to swoop down from heaven to bring the people of Jericho a very special November sweeps episode. "
Now there's a crossover for you! And it would not be the first time they met a character who looked like Gerald MacRaney. He played the patriarch in 'Promised Land', which was a spin-off of their show 'Touched By An Angel'. 'Promised Land' later had a crossover with 'Diagnosis Murder' which brought it into the official version of the TV Universe.
And for all I know, the angel played by Della Reese may have met George Hearst back in 'Deadwood' during the late 1800s!