With no bounties to go after, the crew are left to their devices. However when Jet is attacked by an unknown entity and falls sick from the bite it gives him. The crew find themselves hunting it before it claims them too.
- Alternate Aesop Interpretation: Each of the crew give one during the episode: Jet's is about having to relearn lessons through our lifetimes. Faye's is essentially "survival of the fittest". Ed is a nonsensical bit about following strangers. and Spike's? See Spoof Aesop
- Blob Monster
- Bottle Episode: The entire episode is set on board the Bebop, with the show's five main characters (and the "blob") being the only characters to appear in it.
- Cassandra Truth: While trying to find out with the bacteria is. Spike comes up with a theory that it may be a rat who mutated and is secreting the toxin. Faye chides him over it, though after she get bitten, she admits before she passes out that it could be possible.
- Drama Queen: Faye after she gets bitten
- It Came from the Fridge: The blob is revealed to be a side effect of a lobster that Spike had unwittingly let go bad when he forgot it about it. It's essentially a sentient version of food poisoning.
- Lock and Load Montage: Spike when he prepares to take on the blob monster.
- Kill It with Fire: How Spike manages to subdue the blob monster at first
- Sinking Ship Scenario
- Shout-Out: To Aliens obviously
- Spoof Aesop: "Don't leave your food in the fridge"
- Technicolor Toxin: The blob "bites" leave a discolored mark on the victim's skin.