In each episode, she'll invite a different beloved comedy star to discuss sketches from the last 70 years of comedy.
In the first series she'll be joined by Johnny Vegas, Bob Mortimer and Sue Perkins as well as Jason Manford, Paul Whitehouse and Jessica Hynes.
Each episode of My Favourite Sketch will showcase the sketches that have inspired and shaped each guest's career, interspersed with fascinating anecdotes and behind the scenes information about the sketches in question.
To close each episode, Sally and her guest will take part in a re-enactment of their undisputed number one favourite.
Speaking about the new series Sally Phillips said "Sketch comedy holds a dear place in my heart and I'm looking forward to discussing it with my guests across this exciting new series."