Only for this week though, as well as discounting the full Wallace & Gromit season, with donations given to charities for each sale made.
"From November 4-8, Telltale is partnering with Wallace & Gromit Children's Foundation and Penny Arcade's Child's Play, making donations to the charities for each full 'Wallace & Gromit's Grand Adventures' PC season purchased," announced Telltale.
"Additionally, the full four-episode PC season of 'Wallace & Gromit's Grand Adventures' will be discounted to $20 (roughly 12 GBP) from $34.95 USD for these same dates in honor of the eccentric inventor and his canine companion's two decade milestone."
The free episode, for this week only remember, is 'Muzzled!' and can be downloaded once you fill out your email and give a password on the.
All the season episodes of 'Wallace & Gromit's Grand Adventures' are now available on Xbox Live Arcade for 800 MSP each, having been delayed for some time.