Transfer-listed David Johnson, Adam Nowland and Alan Rogers all featured in the game.
Forest boss Gary Megson was linked in the People with a loan move for Ben Foster. The 22-year-old goalkeeper is set to make a dream move from Stoke to Manchester United this week but is likely to be loaned out for the season by Sir Alex Ferguson.
Meanwhile Marlon King made his Watford debut in a 3-0 friendly win at Boreham Wood.
Striker Craig Westcarr, released at the end of last season by Forest is on trial at fellow League One side Yeovil.