Sci-Fi This Week: Mark Hamill Visits The Flash

Star Wars legend Mark Hamill is coming to The Flash this week, reprising his role as the classic DC villain the Trickster. Hamill played the character in two episodes of the 1991 Flash series (alongside The Flash guest star and original Flash actor John Wesley Shipp).

He also voiced the character in an episode of Justice League.

Also this week: Kyle and Sarah attempt to flee the island on Helix, and on Arrow Ra’s al Ghul is taking prisoners to get to Oliver.

Here’s your schedule for this week in sci-fi television:

GOTHAM returns next week with new episodes.

THE FLASH
The CW, 8/7c
“Tricksters.” A copycat killer who goes by the name “The Trickster” starts setting off bombs in Central City. In order to stop the villain, Barry and Joe meet with the original Trickster, a criminal mastermind named James Jesse, who has been imprisoned for 20 years. Things quickly go from bad to worse when the Tricksters unite and take Henry prisoner.

AGENTS OF S.H.I.E.L.D.
ABC, 9/8c
“One Door Closes.” War comes to Coulson’s doorstep in a way he never anticipated as shocking revelations are brought to light, and Skye struggles to control her new abilities but will soon make a decision that irrevocably changes her life.

ARROW
The CW, 8/7c
“Public Enemy.” During an attack on the mayor’s office, Ray is critically injured. With the SCPD out in full force looking for the assailant, Oliver and his team work hard to stay one step ahead of the police to find the man responsible. However, things come to a head when Ra’s al Ghul kidnaps Captain Lance.

GRIMM
NBC, 8/7c
“Heartbreaker.” A cyclist’s homicide introduces Nick and Hank to a Wesen with a tragic fatal touch. Captain Renard and Adalind learn the Royals have stepped up their efforts to find their child, and another member of the Royal family is introduced. Meanwhile, Juliette ponders the idea of embracing what she’s become as opposed to fighting it.

12 MONKEYS
Syfy, 9/8c
“Paradox.” Railly searches for the one person who can save Cole as the effects of time travel take a deadly toll on his body.

HELIX
Syfy, 10/9c
“The Ascendant.” Kyle and Jordan attempt to flee the island, but their escape is made more difficult by the followers who are hunting them down; Walker and Alan plan to halt ILARIA’s deadly plan as soon as they find the Mother Tree.

ONCE UPON A TIME returns next week.

What are YOUR top picks for this week?