The Young Ones: Armed and Stupid (2016) online

A fan film British remake of the unsold American pilot "Oh No Not them" which was based on the cult 80's sitcom "The Young Ones." Neil gets tricked into giving his house keys to a mugger. This leads to the boys arming themselves up to defends themselves against an attack they believe is inevitable. Unsurprisingly, the boys remain on the same page for a limited time only, and soon it degenerates into an all out house war with Vyvian vs. Rick and Neil. But through the course of their actions, the boys eventually learn the true cost and destruction of bearing arms.....