“Spartacus” alum Nick Tarabay has been cast in Season 2 of Syfy’s “The Expanse.” Plus, the cast of “Happy Days” will guest star on Nickelodeon’s “SpongeBob Squarepants.”

CASTING:

“Spartacus” alum Nick Tarabay has been cast in Syfy’s “The Expanse” for Season 2, Variety has exclusively learned. Tarabay joins the series in a major recurring role and will appear in at least eight episodes. He will play Coyter, a former spy now working in the private sector who is approaed by Avasarala (Shohreh Aghdashloo) about working undercover for her. Aside from Starz’s “Spartacus,” in which he starred as Ashur, Tarabay’s credits include “Castle,” “Longmire,” “Person of Interest,” “Arrow” and “Star Trek Into Darkness.” He is repped by Abrams Artist Agency.

GUEST APPEARANCES:

“Happy Days” alums Henry Winkler, Michael McKean and David Lander are venturing down to Bikini Bottom later this week for a guest appearance on Nickelodeon’s “SpongeBob Squarepants.”

The trio will appear in a May 4 episode of the long-running animated series where they’ll lend their voices to a group of sharks. Winkler will voice tough-guy Sharkface, McKean will voice the skateboarding punk Lonnie and Lander will play Donnie, a product of the sea’s upper class community Bikini Heights.

DATES:



The Season 5 finale of NatGeo’s “Wicked Tuna” will air May 16. The episode will be followed by the live after-show “Reel Talk Live,” hosted by radio personality Mike Catherwood who will answer fan questions and reveal behind-the-scenes secrets.

FYI has set a May 31 premiere date for “Teenage Newlyweds,” a docuseries that will follow three young couples as they adjust to married life. The show will document the teens’ weddings as well as their attempts to balance their family, school, career and financial obligations. The featured newlyweds will include a Utah-based Mormon couple, a duo that found love in college and a pair of small town high school sweethearts.

EXECUTIVE NEWS:

Lauren Zalaznick has joined the board of directors for Nielsen Holdings. The former Bravo chief has worked as a consultant to tech and entertainment firms since existing NBCUniversal in 2013. She also edits the female- and biz-centric LZ SundayPaper email newsletter.

PROGRAMMING:

Comedy streaming channel Seeso has announced its summer 2016 slate, which includes seven new original series and a feature documentary.

“Thingstarter” premieres May 19

A workplace comedy about a startup company that develops ridiculous yet plausible products and takes them into the real world to get feedback from real people and experts. Some of the products the show features include “iNotRacist,” an app that awards points for doing “not racist” actions; “Terra Firma,” a sleepy-time product for Paleo enthusiasts; and “Revel” ‘self-pleasure’ wipes, among others.

“Hidden America with Jonah Ray” premieres June 2

Jonah Ray’s Bourdain-esque travel show “Hidden America with Jonah Ray” features the comedian traveling to major US cities including Boston, Chicago, Seattle, San Francisco, New Orleans, Los Angeles, Denver, Atlanta, and Austin, featuring some of the biggest names in comedy.

“The Pistol Shrimps” premieres June 16

The feature documentary film about the LA based all-female basketball team featuring team mates Aubrey Plaza (“Parks and Recreation”), Angela Trimbur (The Finals Girls, Trash Fire) and Maria Blassuci (“Ghost Ghirls”).

“Gentlemen Lobsters” premieres June 16

Based on the hit GQ digital series, “Gentlemen Lobsters” features Garrett and Quinn, best friends and roommates, who struggle to survive the devastating reality that is being a twenty-something lobster.

“Night Train with Wyatt Cenac premieres June 30

A freewheeling mix of stand up, music and other surprises, where anything can happen and anything is welcome, “Night Train with Wyatt Cenac” captures the amazing talent and spontaneity that has made the live show a staple of the New York comedy scene for the past three years.

“HarmonQuest” premieres July 14

A comedic journey into the hilarious world of fantasy roleplaying with Dan Harmon and his Comedian Companions.

“The Amazing Gayl Pile” premieres July 28

A scripted series about one man’s misguided quest to conquer the world of home shopping.

“Take My Wife” premieres August 11

A half-hour, single-camera original series that follows a young lesbian couple (Cameron Esposito and Rhea Butcher) as elements of their domestic life intersect with the underground standup showcase they co-host.

Cynthia Littleton and Elizabeth Wagmeister contributed to this report.