The Birthday Bootlegger - S20-E8
Other mistake: Stella is deaf and lip-reads. When Preston announces he can allow office birthdays again, Stella immediately cheers at the exact same time as everyone else, but from the camera angle, Preston is standing in front of Stella and facing away from her.
Other mistake: The guys lasso the bear. Then Peter impossibly lassos the bear's legs. There's no way for the lasso to go around the bear's leg with his feet on the ground. And the lasso couldn't have gone over the body down to the legs since the other ropes would have gotten in the way.
Answer: Lacey Chabert was the actress who originally voiced Meg in early episodes. She left of her own accord due to being in school and other acting work; Seth MacFarlane has stated there was no tension with her leaving, but it makes for a handy joke for the show.
Jon Sandys ★