Guest Stars Update: Hunter King, Patrika Darbo, Lenny Platt, David Tom, Peyton List, Yaya DaCosta

Y&R's Hunter King plays Tyler's new girlfriend, tonight on Life in Pieces.

With the fall TV season in full swing, it's time to bring our "Guest Stars" column back from the dead. We'll be building this list over the next few days but feel free to send us any upcoming appearances you're looking forward to in the coming weeks.

Monday, October 19
* The Big Bang Theory (8 p.m. ET/PT on CBS) - Patrika Darbo (ex-Nancy Wesley, Days of our Lives) plays Grace.
* Gotham (8 p.m. ET/PT on FOX) - Lenny Platt (ex-Nate Salinger, One Life to Live) is back for a second appearance as Luke Garrett.
* Life in Pieces (8:30 p.m. ET/PT on CBS) - Hunter King (Summer Newman, The Young and the Restless) plays Tyler's new girlfriend, Clementine.
* NCIS: Los Angeles (10 p.m. ET/PT on CBS) - Michael Weatherly (ex-Cooper Alden, Loving) crosses over his NCIS character, Tony DiNozzo.

Tuesday, October 20
* The Flash (8 p.m. ET/PT on The CW) - Peyton List (ex-Lucy Montgomery, As the World Turns) returns as Lisa Snart.
* NCIS (8 p.m. ET/PT on CBS) - David Tom (ex-Billy Abbott, The Young and the Restless) plays Maple.
* Marvel's Agents of S.H.I.E.L.D. (9 p.m. ET/PT on ABC) - Spencer Treat Clark (ex-Steven Frame, Another World) returns as Alexander. Blair Underwood (ex-Bobby Blue, One Life to Live) plays Andrew Garner as a recurring guest star.
* Chicago Fire (10 p.m. ET/PT on NBC) - Yaya DaCosta (ex-Cassandra Foster, All My Children) returns as April Sexton.

Wednesday, October 21
* The Goldbergs (8:30 p.m. ET/PT on ABC) - Sean Marquette (ex-Jamie Martin, All My Children) returns as Johnny Atkins.
* Empire (9 p.m. ET/PT on FOX) - Charles Malik Whitfield (ex-Ben Price, One Life to Live) plays Reverend L.C. Price.

Thursday, October 22
* Bones (8 p.m. ET/PT on FOX) - Betty White (ex-Ann Douglas, The Bold and the Beautiful) plays Dr. Beth Mayer.
* Heroes Reborn (8 p.m. ET/PT on NBC) - Dylan (ex-Chris Hughes, As the World Turns) plays Captain James Dearing as a recurring guest star. Aislinn Paul (Clare Edwards, Degrassi) returns as Phoebe Frady.