Ni-based single crystal superalloys are indispensable in aerospace industry, enduring extreme temperatures exceeding 1,100 °C. Their outstanding mechanical characteristics stem from a unique two-phase microstructure comprising L12 ordered Ni3Al precipitates (γ′ phase) embedded in a ductile disordered face-centered cubic Ni matrix (γ phase). The interface between these two phases hosts interfacial dislocation networks (IDNs), crucial for enhancing their mechanical performance. Despite extensive works on IDNs, existing studies, particularly atomistic simulations, have largely overlooked the dynamic changes of lattice parameters occurring during service, such as alloying elemental diffusion, temperature variation, and extreme centrifugal forces. Such variation of lattice parameters for a given γ′ phase size is anticipated to profoundly influence the IDNs, a crucial aspect that has been rarely discussed. In the current work, we unveil the size-dependent patterns of IDNs for the first time. We reveal that these patterns are governed by moiré patterns at the interface, dictated by the lattice misfit. Particularly, the compatibility between the moiré superlattice parameter and the γ′ phase size profoundly impacts the integrity of the dislocation networks. Additionally, we demonstrate how these initial IDNs contribute to pseudo-elastic behaviour and influence subsequent dislocation activities during plastic deformation.