Season Four:

IS Pilot 04.01 - Reunions
... Seperated into two groups on a world on the brink of war with the Kromaggs, the sliders must reunite if they ever want to have a chance to get home.

Ep 04.02 - Reboot: Part One
... The Sliders land on a wold where the internet is a way of life. One slider will be changed forever. Part one of two.

Ep 04.03 - Reboot: Part Two
... The conclusion of Reboot: Part One

Ep 04.04 - The Last Battlefield
... On a world where sliding is the last hope for a group of rebels, Quinn must face what may be his greatest threat yet: Logan St. Clair, the one woman who knows Quinn like the back of her hand.

Ep 04.05 - If I Never Knew You
... A run-in with Logan causes Wade to lose her memory, and Quinn is forced to make the most difficult decision of his life. Should he leave one of the group behind?

Ep 04.06 - Slide and Seek
... On a world where Quinn's double is a convicted serial killer, the sliders are caught in the middle of a police manhunt, and a mysterious figure could hold the key to both Quinns' innocence.

Ep 04.07 - Real Life
... The sliders land on their weirdest earth yet... ours! But what will happen when a deranged fan kidnapps Maggie and blames her for the cancellation of the show!? Can the sliders and a special friend save the day, or will Maggie end up cancelled herself?

Ep 04.08 - The Last Dance
... The Sliders return to what they thought was one of their greatest victories, only to discover that it has become their greatest failure and could land them in the middle of a civil war.

Ep 04.09 - Heartbeat
... The sliders' lives are all drastically changed when a bad landing leaves the timer damaged and Quinn seriously injured and dying on a world that's twenty years behind in medical knowledge.

Ep 04.10 - Reversal of Fate
... In a mere heartbeat, their lives have all just been shattered. And now Wade's attempt to help Quinn on a new world brings an unusual twist of fate, and a difficult decision. Is she willing to give her life for a chance to save his?

Ep 04.11 - All in Good Time
... On a world where the Kromaggs have invaded, the sliders meet a group of renegades, a Kromagg who seems to be questioning the ways of the Dynasty, and mysterious stranger that might know more then he's letting on. But then again, on this world, nothing is as it seems....

Ep 04.12 - Stowaway
... Quinn may know more about the group's unexpected stowaway than he's letting on.

Ep 04.13 - The Halloween Episode
... Infinite Slides' Halloween Special.

Ep 04.14 - Zion: Part One
... The group finds themselves getting entangled in a holy war. Part one of two.

Ep 04.15 - Zion: Part Two
... They've been divided, imprisoned, convicted of treason, and sentenced to death... And the slide has only just begun. The conclusion to Zion: Part One

Ep 04.16 - Zero Hour
... It's December 31st, 1999... and on this world, the Y2K bug affecting computers is the least of the sliders' problems as Zero Point Energy threatens to literally destroy the Earth when the clock strikes midnight.

Ep 04.17 - Hunt
... The sliders learn once again that doing good deeds for strangers always leads to trouble.

Ep 04.18 - End Game
... After Wade and Quinn are both shot, the others believe them to be dead.

Ep 04.19 - Logan
... The sliders are reunited with an old friend on a world that will change their lives forever. Season Finale

Season Five:

Ep 05.01 - Takeover
... Last season, the sliders paid the ultimate price for their freedom. Now, they must give up their only way home to help a living legend stop a deadly force intent on destroying them all. Season Premiere

Ep 05.02 - ...And Forget
... Another group of sliders makes the team take a good look at themselves, past evils resurface, and good-byes are finally said as a friend is laid to rest.

Ep 05.03 - Oblivion
... To solve a mystery, one of the sliders must venture to the stars to face their most deadly enemy.

Ep 05.04 - The Other Side of the Fence
... On a world where sliding went right but everything else went wrong, the team realizes that their lives aren't quite so bad.

Ep 05.05 - Home Fires
... Meanwhile, back on Earth Prime...

Ep 05.06 - Absolute Power
... Power corrupts...

Ep 05.07 - When in Rome
... The slider who became a slave. The slave who became a gladiator!
Rembrandt becomes mired in a political power struggle that will determine the fate of the Roman Empire!

Ep 05.08 - Le Morte D'Arturo
... There are Californians in King Percival's court, and the 'Wizard Arturo' had better be up to the task.

Ep 05.09 - When We Were Young and Gay
... Maggie becomes entangled in a forbidden affair when she and Wade have to remain on a world where homosexuality is the norm.