Revealing mistake: When the Hulk throws the large bell to break the tower's wall during his second transformation, we can see three cables attached to the bell, most likely used to guide its trajectory.

The Incredible Hulk (1978)
1 mistake in The Confession - chronological order
Starring: Bill Bixby, Lou Ferrigno, Jack Colvin, Michael Santiago
David Banner: I love you, Elaina. I think you loved me too. Although you never said it.
Trivia: Bill Bixby refused to let his son watch the show as he was concerned his son would be scared seeing his father change into a green creature.
Homecoming - S3-E8
Question: What did David's mother die from?
Join the mailing list
Separate from membership, this is to get updates about mistakes in recent releases. Addresses are not passed on to any third party, and are used solely for direct communication from this site. You can unsubscribe at any time.
Check out the mistake & trivia books, on Kindle and in paperback.
Answer: An illness, although it's never stated what kind of illness. David blames his dad for her death because his father never took her to the hospital. So in all likelihood, her illness was never diagnosed anyways and David might not even have known what it was.
Bishop73