Douglas beat Oldershaw 57-0 at Port-e-Chee to give them a much needed boost before the Christmas lay-off.
Andrew Evans bagged five tries as Douglas went on the rampage against struggling opponents.
There were also tries from Simon Heggs, Will Latta, Callum Carine and Bryn Snellgrove who also added six conversions.
Bikes aplenty planned for Jurby Day 2026
Rescheduled meeting in the north of the Island this weekend
FC Isle of Man on their travels to face Trafford
Ravens back in action after near two-week break
Cycling: Bostock bound for 2026 Tour of Britain
Manxman in Great Britain squad for next month's races
Cricket: IoM men finish fifth at T20 World Cup qualifiers
Island side wins majority of matches out in Finland