Doncaster Phoenix came from 17-0 down to beat Morpeth 56-22.
Phoenix, who have now won their opening two North One East games, found themselves behind to two converted tries and a penalty after 28 minutes.
Lee Wallace and Tom Battye scored before the break to kick-start the comeback.
Phoenix then ran away with it in the second half as Wallace went on to score a hat trick, Josh Fowler bagged a brace, and Ben Hyde and Joe Lowcock also touched down. Jamie Lennard converted all eight tries.
Wheatley Hills crashed 24-14 at home to Alnwick.
Before the break the visitors ran in three tries and added two conversions without reply.
Declan Cook converted a penalty to reduce the deficit but Alnwick scored again. Winger Matthew Shaw crashed over for Wheatley and Cook once again converted but they never looked like troubling their opposition.
Wath on Dearne lost 17-10 at Old Rishworthians in a scrappy encounter.
Wath were 12-10 down at the break with two tries from scrum half Ben Cairns keeping them in contention.
However, Rishworthians scored the only try of the second half.
Thornensians had fly-half Danny Fenwick to thank for helping them to victory against Baildon, scoring one try and kicking eight points in a 26-22 win in Yorkshire Three.
Ryan Pilley, James Fenwick and Anthony Bull also registered tries for Thorne as they narrowly edged out their hosts.
Rossington Hornets scraped a 25-24 victory over Yorkshire Five rivals Hallamshire.