Although listed as a series regular, Liv Tyler only appears in three episodes in Season Two. This is the first of those appearances.
Kyle watches the 1956 Looney Tunes cartoon "Gee Whiz-z-z-z-z-z-z." A different Road Runner & Coyote cartoon was previously featured in the Pilot.
Viktor calls Laurie Dr. Ruth.
While a key player in Season One, Paterson Joseph only makes two appearances in Season Two of which this is the first.