Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

According to NASA, you should be able to see Saturn's bright moon Titan and its rings through any telescope (preferably one with an aperture of 6 inches/150mm or larger). However, warns the space ...

mag -2.6 Uranus: mag 5.7 (need telescope most likely) Neptune: mag 7.9 (need telescope) Saturn: mag 0.6 Venus: mag -4.7 The human eye can see a maximum of magnitude 6, however, that is the very limit.