This 'sequel' to the 1968 film adaptation of Levin's 1967 novel Rosemary's Baby starred none other than Ruth Gordon, along with Stephen McHattie, Patty Duke and Tina Louise – the latter having starred just a year earlier in the film adaptation of The Stepford Wives as tennis-loving Charmaine Wimperis.
Look... aired two days before Halloween. (You'll find that many Levin works have received 'dark' release dates such as this, Friday the 13th, etc.) Variety answered the title's hypothetical query with: “What happened to Rosemary's baby is that he grew up to look like Alice Cooper [...] The cast was good and the writing was bad.”
The two-hour film was presented as an ABC Friday Night Movie – but it was, it seems, not actually a movie at all – but rather a de facto 'pilot' for a television series based on Rosemary's Baby. As Variety reported: “Faithful to the rigors of tv commercialism, producer-writer Anthony Wilson strung together four half-hour episodes to form a two-hour show that went nowhere. The made-for-tv movie is said to be considered as a pilot...”
Whatever its formal constitution, Look... ultimately proved a one-off.