HD 37605 is an orange K-type dwarf (about 0.94 solar masses, 5,329 K, 0.91 solar radii), 46.8 light-years from Earth. HD 37605 b is a 2.69-Jupiter-mass companion, with an orbital period of 55.0 days, at 0.277 AU from its star, on an eccentric orbit (e ≈ 0.67), discovered in 2004 via radial velocity. HD 37605 c is a 3.19-Jupiter-mass companion, with an orbital period of 7.45 years, at 3.740 AU from its star, discovered in 2012 via radial velocity. Mutual gravitational tugs between the planets can slowly reshape their orbits, preserving clues to the system's assembly.