Chloe and Lucifer visit a cop bar and Lucifer ends up knocking out another cop in episode 1x05 "Sweet Kicks". Chloe and Dan attend Malcolm's welcome back party in episode 1x08 "Et Tu, Doctor?".
Source: YVRShoots — Twitter
Liv goes to bar where Drake works to learn more about his life in episode 2x15 "He Blinded Me… With Science".