The Incredible Hulk, Season 2

[During David's hypnosis, the Hulk is trapped pounding in a vault]

Dr. Carolyn Fields:
The vault is holding in spite of his best efforts. You can hear him pounding furiously on the inside of the vault, but he can't get out. He can't get out. We're going to contain him within your mind, and then only allow the metamorphosis to occur under controlled circumstances, so that we can get the tissue sample we need. We are going to contain him.

David Banner:
I think he's moving the door.

Dr. Carolyn Fields:
But it's holding. It's still holding.

[David stands smiling, thinking the Hulk is not able to get out. Suddenly the vault door goes down]

David Banner:
No. No, he's gotten out! He's free... again.

[after hypnosis]

Dr. Carolyn Fields:
But it took him much longer to get free this time, David, believe me. We're making real progress.