Steve must perform a dangerous spacewalk to fix the spacecraft's exterior using only his wits (and some classic Urkel clumsiness turned heroics) to return home.
Lost in Space, Pt. 2 – Family Matters (Season 9, Episode 22) [S9E22] Lost in Space, Pt. 2
This episode is the 215th and final episode of the series. Steve must perform a dangerous spacewalk to fix
Season 9 was the only season to air on CBS after the show moved from its longtime home on ABC. [S9E22] Lost in Space, Pt. 2