After spending most of the short being ignored, Gromit fetches Wallace's slippers to which his master replies: "Thank you old friend, many thanks indeed."
A Close Shave
The ending; "I couldn't pass by without saying thank you."
Gromit ignoring his masters orders to "Go for him! (Shaun)"
Wallace and Gromit: The Curse of the Were-Rabbit
Near the ending, Gromit has just saved the Were-Rabbit (Wallace) from getting shot. The two exchange a high-five, which results in Gromit letting go of the rope to which he was holding and plummeting toward the ground. The Were-Rabbit leaps to catch him, cradling the dog against its chest as it falls.