are so familiar you might as well be watching a rerun 
(ROOT (VP (VBP are) (ADJP (RB so) (JJ familiar) (SBAR (S (NP (PRP you)) (VP (MD might) (ADVP (RB as) (RB well)) (VP (VB be) (VP (VBG watching) (NP (DT a) (NN rerun))))))))))
(ROOT (VP (VBP ) (ADJP (RB ) (JJ ) (SBAR (S (NP (PRP )) (VP (MD ) (ADVP (RB ) (RB )) (VP (VB ) (VP (VBG ) (NP (DT ) (NN ))))))))))