Magnum P.I. is a TV series that aired on CBS from September 24, 2018 to May 6, 2022. It currently airs on NBC as of February 19, 2023. It is a reboot of the 1980 TV series Magnum, P.I.

Guest Characters

Characters	From	Date	Episode	Crossover Type
Dr. Noelani Cunha	Hawaii Five-0 (2010)	September 24, 2018	S01E01: “I Saw the Sun Rise”	A
Kamekona Tupuola	Hawaii Five-0 (2010)	October 1, 2018	S01E02: "From the Head Down"	A
Dr. Noelani Cunha	Hawaii Five-0 (2010)	October 22, 2018	S01E05: "Sudden Death"	A
Dr. Noelani Cunha	Hawaii Five-0 (2010)	October 29, 2018	S01E06: "Death is Only Temporary"	A
Kamekona Tupuola	Hawaii Five-0 (2010)	January 21, 2019	S01E13: "Day of the Viper"	A
Dr. Noelani Cunha	Hawaii Five-0 (2010)	January 28, 2019	S01E14: "I, The Deceased"	A
Dr. Noelani Cunha	Hawaii Five-0 (2010)	February 18, 2019	S01E15: "Day the Past Came Back"	A
Duke Lukela	Hawaii Five-0 (2010)	March 4, 2019	S01E17: "Black is the Widow"	A
Dr. Noelani Cunha	Hawaii Five-0 (2010)	March 11, 2019	S01E18: “A Kiss Before Dying”	A
Dr. Noelani Cunha	Hawaii Five-0 (2010)	April 1, 2019	S01E20: "The Day It All Came Together"	A
Nicky "The Kid" DeMarco	Hawaii Five-0 (2010)	October 4, 2019	S02E02: "Honor Among Thieves"	A
Dr. Noelani Cunha, Kamekona Tupuola, Flippa Tupuola, Harry Brown	Hawaii Five-0 (2010)	November 1, 2019	S02E06: "Lie, Cheat, Steal, Kill"	A
Dr. Noelani Cunha, Nicky "The Kid" DeMarco	Hawaii Five-0 (2010)	November 8, 2019	S02E07: "The Man in the Secret Room"	A
Dr. Noelani Cunha, Harry Brown	Hawaii Five-0 (2010)	November 22, 2019	S02E09: "A Bullet Named Fate"	A
Gerard Hirsch	Hawaii Five-0 (2010)	December 6, 2019	S02E10: "Blood Brothers"	A
Tani Rey, Quinn Liu, and Junior Reigns, Kamekona Tupuola ——- Erin Hing	Hawaii Five-0 (2010)	January 3, 2020	S02E12: “Desperate Measures”	A
Kamekona Tupuola	Hawaii Five-0 (2010)	January 10, 2020	S02E13: "Mondays Are For Murder"	A
Kamekona Tupuola	Hawaii Five-0 (2010)	January 31, 2020	S02E14: "A Game of Cat and Mouse"	A
Dr. Noelani Cunha, Duke Lukela	Hawaii Five-0 (2010)	April 24, 2020	S02E17: "The Night Has Eyes"	A
Kamekona Tupuola, Flippa Tupuola	Hawaii Five-0 (2010)	May 1, 2020	S02E18: "A World of Trouble"	A
Dr. Noelani Cunha	Hawaii Five-0 (2010)	May 8, 2020	S02E19: "May The Best One Win"	A
Adam Noshimuri	Hawaii Five-0 (2010)	May 8, 2020	S02E20: "A Leopard on the Prowl"	A
Dr. Noelani Cunha, Flippa Tupuola	Hawaii Five-0 (2010)	December 4, 2020	S03E01: "Double Jeopardy"	A
Dr. Noelani Cunha, Duke Lukela	Hawaii Five-0 (2010)	January 8, 2021	S03E04: "First the Beatdown, Then the Blowback"	A
Dr. Noelani Cunha, Flippa Tupuola	Hawaii Five-0 (2010)	January 22, 2021	S03E06: "Tell No One"	A
Dr. Noelani Cunha	Hawaii Five-0 (2010)	April 9, 2021	S03E13: "Cry Murder"	A
Duke Lukela	Hawaii Five-0 (2010)	March 11, 2022	S04E16: "Evil Walks Softly"	A

Outgoing Crossovers

Characters	Guest On	Date	Episode	Crossover Type
Thomas Magnum, Juliet Higgins, Orville "Rick" Wright, Theodore "TC" Calvin	Hawaii Five-0 (2010)	January 3, 2020	S10E12: "Ihea 'oe i ka wa a ka ua e loku ana?"	A
Orville "Rick" Wright	Hawaii Five-0 (2010)	February 28, 2020	S10E18: “Nalowale i ke 'ehu o he kai”	A

(Note: Dr. Noelani Cunha is recurring on both Hawaii Five-0 and Magnum P.I. so “crossover” might be a strong word here.)