Witches' Brew - 1980 is rated/received certificates of:
UK:15
USA:PG
Brew Masters - 2010 is rated/received certificates of: Australia:PG
More correctly it would be witch's brew (one witch) or witches' brew (several witches). As for the brew part, the origin could be Shakespearean as in MacBeth where the 3 witches concoct a broth with unholy ingredients.
Witches Brew - 2013 was released on: USA: October 2013
90210 - 2008 Strange Brew 5-15 is rated/received certificates of: USA:TV-14
Witches' Brew - Katy B song - was created on 2011-08-28.
On the Buses - 1969 Brew It Yourself 3-4 is rated/received certificates of: UK:U (video rating) (1995)
The large black pot used for making brew is called a cauldron.
At the plaza
The cast of Witches Brew - 2013 includes: Jessica Cameron as Mom Morgan Peter Brown as Dad
Find the recipe
The traditional witches' brew recipe that includes the essential ingredient of eye of newt is a fictional concept often mentioned in literature and folklore. It is not a real recipe or potion used by witches in reality.
The Adventures of Sir Lancelot - 1956 Witches Brew - 1.18 was released on: UK: 19 January 1957 USA: 18 March 1957