Normally, it is not possible to defeat Lava Bubbles (known as Podoboos at the time of release) in…

Normally, it is not possible to defeat Lava Bubbles (known as Podoboos at the time of release) in Super Mario Bros. and Super Mario Bros.: The Lost Levels. However, there is one specific situation where the layout of the level allows a Koopa shell to hit a Lava Bubble when it is at the lowest point of its jump, in World A-4 of Super Mario Bros: The Lost Levels (shown here in the Super Mario…