- As Abel Horn (the assassin) downloads data, the acknowledging voice mentions the name 'Control'.

- Ivanova once threw a telepath out a 3rd floor window on Io.

- Talia Winters has been with Psi Corps since age 5.

- Garibaldi's 3rd favorite thing in the universe is tea - as stated to Talia.

- Project Lazarus was an Earthforce cyber-experiment in the late 2230's conducted on Humans on the verge of death. Machines were implanted into their brains.

- Zack Allen makes his first appearance.

- Talia lies to Sheridan about her scan of Abel Horn - she saw a 'deceased' Psi Cop.

- Sheridan believes that a rogue agency, Bureau 13, is behind Project Lazarus, among other secret projects.