Season 4

• After First Monday was cancelled, Sheffield became a recurring character on JAG.
• NCIS backdoor pilots are JAG 8x20 and 8x21.
• NCIS LA pilots are NCIS 6x22 and 6x23.
  
• The NCIS episode "Endgame" (7x07) continued on the events that had taken place in the NCIS: Los Angeles episode "Killshot" (1x05).
• Abby guests on NCIS LA 1x09
• Kensi from NCIS: Los Angeles also guests in Hawaii Five-O 2x06, they mention this in NCIS LA 3x06
• A.J. Chegwidden is making guest appearance in NCIS 10x24
• NCIS: LA and Hawaii Five-O cossover: HFO 2x21, NLA 3x21
• NCIS: New Orleans pilots are NCIS 11x18 and 11x19
• Hetty also guests in Scorpion 1x06
• Gibbs helps out Pride in NCIS New Orleans 1x03
• CGIS Agent Abigail Borin known from NCIS seasons pops up in NCIS NO 1x12
• NCIS: Red pilots were NCIS LA: 4x18 and 4x19 but the concept was not taken up.
• DiNozzo asks help from the LA team in NCIS LA 7x05
• Sister City: Part 1 is the 12th episode of NCIS Season 13 and the second part, "Sister City, Part II" as part of NCIS: New Orleans Season 2.
• The story plot loosely connected between MacGyver 1x15 and Hawaii Five-0 7x17
• In MacGyver episode “Flashlight” (1x18), Mac and the team team up with Chin and Kono from the Five-0 task force. They mention this in Hawaii Five-0 7x19.
• NCIS 14x15 and NCIS New Orleans 03x14 are a two part crossover, Pandora's Box .
• A.J. Chegwidden pops up again several times in NCIS LA Season 8 (8x15, 8x21, 8x22)
• Bud Robert Jr. from JAG guests in NCIS 14x1
• Noelani Cunha from Hawaii Five-0 appears in Magnum PI (2018 ) pilot and 1x14 episodes
• Kamekona from HF0 appears on Magnum PI several times (1x02, 1x13, 2x06, 2x12, 2x13, 2x14, 2x18)
• Gibbs visits NCIS: New Orleans 5x01
• Lead roles of JAG: Harmon Rabb and Sarah MacKenzie show up in NCIS LA 10x23 and 10x24
• HFO 10x12 and Magnum 02x12 are a two part crossover
• HFO 10x18: Rick from Magnum PI helps Five-0 with a case
• MacGarret was mentioned in NCISLA 11x11
• Sarah MacKenzie show up a couple of times in first and last episodes of NCIS LA Season 11

• Adam Noshimuri pops up and Tani is mentioned in Magnum 2x20

• NCIS s19e17 / NCISH s01e18 - two parts crossover

• NCIS s19e19 - character appearance form NCIS Hawaii

• NCIS s20e01 / NCISH s02e01 - two parts crossover

• NCIS s20e10 / NCISH s02e10 / NCISLA s14e10 - three parts crossover

rearranging under construction

Shows i have seen or working on

A list with the shows that are impacted because of the coronavirus.
The list I comprised of the seasons that are impacted per show.

Not every show that has shut down production is on here, just the ones who were supposed to have episodes air in April/May/June of 2020.

List will update when more info is released

Impacted shows:
All Rise (Shortened season + episode shot via videoconferencing, following the social distancing rules. Episode 21 will be the season finale instead of 22)
Batwoman (Episode 20 will serve a season finale)
Bob Hearts Abishola (Likely shortened season) 20 episodes completed
The Blacklist (Likely shortened season, 18 of 22 episodes had finished filming) Added animated episode that serves as season finale
The Bold Type (Season 4 will now conclude with episode 16 instead of 18)
Bull (Likely shortened season) 20 episodes were completed
Charmed (20 of 22 episodes had finished filming)
Chicago Fire (Shortened Season, ended with 20 episode instead of 23)
Chicago Med (Shortened Season, ended with 20 episode instead of 23)
Chicago P.D. (Shortened Season, ended with 20 episode instead of 23)
Dynasty (20 of 22 episodes had finished filming)
Empire ("series finale" is April 21, but a proper sendoff maybe down the road, 18 of 20 episodes had finished filming)
FBI (Shortened Season, episode 19 is the season finale)
FBI: Most Wanted (shortened season) 14 episodes were completed
The Flash ( 20 of 22 episodes had finished filming)
God Friended Me (2 hour finale will air on April 26, this will also be the series finale)
The Goldbergs (23 episodes were completed)
The Good Fight ( 8 of 10 episodes had finished filming)
Grey’s Anatomy (Shortened season, Episode 21 is the season finale instead of 25)
Last Man Standing ( 21 of 22 episodes had finished filming)
Law & Order: SVU (Shortened season, Episode 20 is the season finale instead of 24)
Legacies (Shortened season, episode 16 is the season finale)
MacGyver (shortened season) 13 episodes were completed
Nancy Drew (Shortened season, Episode 18 is the season finale)
NCIS (Shortened season, episode 19 is the season finale instead of 24)
NCIS: New Orleans (shortened season) 20 episodes were completed
NCIS: Los Angeles (shortened season) 22 episodes were completed
The Neighborhood (20 of 21 episodes had finished taping)
New Amsterdam (Shortened season, also 1 episode is shelved because the subject is about a pandemic, this will be shown later down the road, episode 18 is the season finale instead of 22)
Prodigal Son (Shortened season, Episode 20 will be the season finale instead of 22)
The Resident (Shortened season, episode 20 will be the season finale instead of 23)
Riverdale (shortened season, 20 of 22 episodes had finished filming)
SEAL Team (shortened season, 20 of 22 episodes had finished filming)
Supergirl (Stopped filming midway through episode 20. A rejiggered version of episode 19, with includes footage from 20, will serve as the season finale)
Supernatural (Premature stop to final season, only 13 of 20 episodes were completed) The last 7 episodes will be filmed with respecting social distancing guidelines and will air in the fall of 2020
Superstore (Shortened Season, episode 21 will serve as the season finale instead of 22)
S.W.A.T. (shortened season, 21 of 22 episodes had finished filming)
Young Sheldon (episode 21 will serve as the season finale instead of 22)

Link to article:
https://tvline.com/gallery/coronavirus-tv-shows-delayed-list-photos/modern-family-2-2/

.

All shows that have shutdown production
The Amazing Race (CBS)
American Housewife (ABC)
American Idol (ABC)
American Ninja Warrior (NBC)
America’s Got Talent (NBC)
Angelyne (Peacock; upcoming)
Atlanta (FX)
The Bachelorette (ABC)
Batwoman (The CW)
The Blacklist (NBC)
The Bold and the Beautiful (CBS)
Britannia (Sky)
Card Sharks (ABC)
Carnival Row (Amazon Prime Video)
Chicago Fire (NBC)
Chicago Med (NBC)
Chicago P.D. (NBC)
The Daily Show With Trevor Noah (Comedy Central)
The Dr. Oz Show (syndicated)
Dynasty (The CW)
The Ellen DeGeneres Show (syndicated)
Empire (Fox)
Euphoria (HBO)
The Falcon and the Winter Soldier (Disney+; upcoming)
Family Feud (syndicated)
Fargo (FX)
FBI (CBS)
Fear the Walking Dead (AMC)
The Flash (The CW)
The Flight Attendant (HBO Max; upcoming)
For All Mankind (Apple TV+)
Foundation (Apple TV+; upcoming)
Full Frontal With Samantha Bee (TBS)
General Hospital (ABC)
Genius: Aretha (NatGeo; upcoming)
God Friended Me (CBS)
The Goldbergs (ABC)
The Good Fight (CBS All Access)
Grace and Frankie (Netflix)
Grey’s Anatomy (ABC)
The Handmaid’s Tale (Hulu)
Home & Family (Hallmark Channel)
Jimmy Kimmel Live (ABC)
The Kelly Clarkson Show (syndicated)
Last Man Standing (Fox)
Last Week Tonight With John Oliver (HBO)
The Late Late Show with James Corden (CBS)
Late Night With Seth Meyers (NBC)
The Late Show With Stephen Colbert (CBS)
Law & Order: Special Victims Unit (NBC)
Legacies (The CW)
Lights Out With David Spade (Comedy Central)
Line of Duty (BBC)
Lisey’s Story (Apple TV+; upcoming)
Little America (Apple TV+)
Loki (Disney+; upcoming)
The Lord of the Rings (Amazon Prime Video; upcoming)
Lucifer (Netflix)
The Mel Robbins Show (syndicated)
The Morning Show (Apple TV+)
Mythic Quest: Raven’s Banquet (Apple TV+)
NCIS (CBS)
NCIS: Los Angeles (CBS)
NCIS: New Orleans (CBS)
The Neighborhood (CBS)
New Amsterdam (NBC)
NeXt (Fox; upcoming)
The Orville (Hulu)
Patriot Act With Hasan Minhaj (Netflix)
Peaky Blinders (BBC)
Pose (FX)
Power Book II: Ghost (Starz; upcoming)
Power Book III: Raising Kanan (Starz; upcoming)
Queen of the South (USA Network)
The Price Is Right (CBS)
Real Time With Bill Maher (HBO)
The Resident (Fox)
The Righteous Gemstones (HBO)
Riverdale (The CW)
Russian Doll (Netflix)
Rutherford Falls (Peacock; upcoming)
Schooled (ABC)
See (Apple TV+)
SEAL Team (CBS)
Servant (Apple TV+)
Sex/Life (Netflix; upcoming)
Snowfall (FX)
Snowpiercer (TNT)
Stranger Things (Netflix)
Supergirl (The CW)
Supernatural (The CW)
Superstore (NBC)
Survivor (CBS)
The Talk (CBS)
The Tamron Hall Show (syndicated)
Tokyo Vice (HBO Max; upcoming)
The Tonight Show Starring Jimmy Fallon (NBC)
Varsity Blues (Quibi; upcoming)
WandaVision (Disney+; upcoming)
Watch What Happens Live! With Andy Cohen (Bravo)
The Wendy Williams Show (syndicated)
Wheel of Time (Amazon Prime Video; upcoming)
The Witcher (Netflix)
Wynonna Earp (Syfy)
Y: The Last Man (FX; upcoming)
The Young and the Restless (CBS)
Young Sheldon (CBS)

Link to article:
https://tvline.com/feature/cancelled-tv-shows-list-coronavirus-production-delays-1171349/

List of tv seasons I finished in 2020.